49038280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 115706880

約数和(自身を除く): 66668600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 557, 568, 620, 710, 1114, 1240, 1420, 2201, 2228, 2785, 2840, 4402, 4456, 5570, 8804, 11005, 11140, 17267, 17608, 22010, 22280, 34534, 39547, 44020, 69068, 79094, 86335, 88040, 138136, 158188, 172670, 197735, 316376, 345340, 395470, 690680, 790940, 1225957, 1581880, 2451914, 4903828, 6129785, 9807656, 12259570, 24519140, 49038280]

約数ペア:

[(1, 49038280), (2, 24519140), (4, 12259570), (5, 9807656), (8, 6129785), (10, 4903828), (20, 2451914), (31, 1581880), (40, 1225957), (62, 790940), (71, 690680), (124, 395470), (142, 345340), (155, 316376), (248, 197735), (284, 172670), (310, 158188), (355, 138136), (557, 88040), (568, 86335), (620, 79094), (710, 69068), (1114, 44020), (1240, 39547), (1420, 34534), (2201, 22280), (2228, 22010), (2785, 17608), (2840, 17267), (4402, 11140), (4456, 11005), (5570, 8804)]