40825980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 135757440

約数和(自身を除く): 94931460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 239, 260, 292, 365, 390, 438, 468, 478, 585, 657, 717, 730, 780, 876, 949, 956, 1095, 1170, 1195, 1314, 1434, 1460, 1898, 2151, 2190, 2340, 2390, 2628, 2847, 2868, 3107, 3285, 3585, 3796, 4302, 4380, 4745, 4780, 5694, 6214, 6570, 7170, 8541, 8604, 9321, 9490, 10755, 11388, 12428, 13140, 14235, 14340, 15535, 17082, 17447, 18642, 18980, 21510, 27963, 28470, 31070, 34164, 34894, 37284, 42705, 43020, 46605, 52341, 55926, 56940, 62140, 69788, 85410, 87235, 93210, 104682, 111852, 139815, 157023, 170820, 174470, 186420, 209364, 226811, 261705, 279630, 314046, 348940, 453622, 523410, 559260, 628092, 680433, 785115, 907244, 1046820, 1134055, 1360866, 1570230, 2041299, 2268110, 2721732, 3140460, 3402165, 4082598, 4536220, 6804330, 8165196, 10206495, 13608660, 20412990, 40825980]

約数ペア:

[(1, 40825980), (2, 20412990), (3, 13608660), (4, 10206495), (5, 8165196), (6, 6804330), (9, 4536220), (10, 4082598), (12, 3402165), (13, 3140460), (15, 2721732), (18, 2268110), (20, 2041299), (26, 1570230), (30, 1360866), (36, 1134055), (39, 1046820), (45, 907244), (52, 785115), (60, 680433), (65, 628092), (73, 559260), (78, 523410), (90, 453622), (117, 348940), (130, 314046), (146, 279630), (156, 261705), (180, 226811), (195, 209364), (219, 186420), (234, 174470), (239, 170820), (260, 157023), (292, 139815), (365, 111852), (390, 104682), (438, 93210), (468, 87235), (478, 85410), (585, 69788), (657, 62140), (717, 56940), (730, 55926), (780, 52341), (876, 46605), (949, 43020), (956, 42705), (1095, 37284), (1170, 34894), (1195, 34164), (1314, 31070), (1434, 28470), (1460, 27963), (1898, 21510), (2151, 18980), (2190, 18642), (2340, 17447), (2390, 17082), (2628, 15535), (2847, 14340), (2868, 14235), (3107, 13140), (3285, 12428), (3585, 11388), (3796, 10755), (4302, 9490), (4380, 9321), (4745, 8604), (4780, 8541), (5694, 7170), (6214, 6570)]