26500040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 72990720

約数和(自身を除く): 46490680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 71, 86, 124, 140, 142, 155, 172, 215, 217, 248, 280, 284, 301, 310, 344, 355, 430, 434, 497, 568, 602, 620, 710, 860, 868, 994, 1085, 1204, 1240, 1333, 1420, 1505, 1720, 1736, 1988, 2170, 2201, 2408, 2485, 2666, 2840, 3010, 3053, 3976, 4340, 4402, 4970, 5332, 6020, 6106, 6665, 8680, 8804, 9331, 9940, 10664, 11005, 12040, 12212, 13330, 15265, 15407, 17608, 18662, 19880, 21371, 22010, 24424, 26660, 30530, 30814, 37324, 42742, 44020, 46655, 53320, 61060, 61628, 74648, 77035, 85484, 88040, 93310, 94643, 106855, 122120, 123256, 154070, 170968, 186620, 189286, 213710, 308140, 373240, 378572, 427420, 473215, 616280, 662501, 757144, 854840, 946430, 1325002, 1892860, 2650004, 3312505, 3785720, 5300008, 6625010, 13250020, 26500040]

約数ペア:

[(1, 26500040), (2, 13250020), (4, 6625010), (5, 5300008), (7, 3785720), (8, 3312505), (10, 2650004), (14, 1892860), (20, 1325002), (28, 946430), (31, 854840), (35, 757144), (40, 662501), (43, 616280), (56, 473215), (62, 427420), (70, 378572), (71, 373240), (86, 308140), (124, 213710), (140, 189286), (142, 186620), (155, 170968), (172, 154070), (215, 123256), (217, 122120), (248, 106855), (280, 94643), (284, 93310), (301, 88040), (310, 85484), (344, 77035), (355, 74648), (430, 61628), (434, 61060), (497, 53320), (568, 46655), (602, 44020), (620, 42742), (710, 37324), (860, 30814), (868, 30530), (994, 26660), (1085, 24424), (1204, 22010), (1240, 21371), (1333, 19880), (1420, 18662), (1505, 17608), (1720, 15407), (1736, 15265), (1988, 13330), (2170, 12212), (2201, 12040), (2408, 11005), (2485, 10664), (2666, 9940), (2840, 9331), (3010, 8804), (3053, 8680), (3976, 6665), (4340, 6106), (4402, 6020), (4970, 5332)]