25539540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 77898240

約数和(自身を除く): 52358700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 239, 260, 274, 390, 411, 478, 548, 685, 717, 780, 822, 956, 1195, 1370, 1434, 1644, 1781, 2055, 2390, 2740, 2868, 3107, 3562, 3585, 4110, 4780, 5343, 6214, 7124, 7170, 8220, 8905, 9321, 10686, 12428, 14340, 15535, 17810, 18642, 21372, 26715, 31070, 32743, 35620, 37284, 46605, 53430, 62140, 65486, 93210, 98229, 106860, 130972, 163715, 186420, 196458, 327430, 392916, 425659, 491145, 654860, 851318, 982290, 1276977, 1702636, 1964580, 2128295, 2553954, 4256590, 5107908, 6384885, 8513180, 12769770, 25539540]

約数ペア:

[(1, 25539540), (2, 12769770), (3, 8513180), (4, 6384885), (5, 5107908), (6, 4256590), (10, 2553954), (12, 2128295), (13, 1964580), (15, 1702636), (20, 1276977), (26, 982290), (30, 851318), (39, 654860), (52, 491145), (60, 425659), (65, 392916), (78, 327430), (130, 196458), (137, 186420), (156, 163715), (195, 130972), (239, 106860), (260, 98229), (274, 93210), (390, 65486), (411, 62140), (478, 53430), (548, 46605), (685, 37284), (717, 35620), (780, 32743), (822, 31070), (956, 26715), (1195, 21372), (1370, 18642), (1434, 17810), (1644, 15535), (1781, 14340), (2055, 12428), (2390, 10686), (2740, 9321), (2868, 8905), (3107, 8220), (3562, 7170), (3585, 7124), (4110, 6214), (4780, 5343)]