56928820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 129322368

約数和(自身を除く): 72393548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 631, 694, 1262, 1388, 1735, 2524, 3155, 3470, 4511, 6310, 6940, 8203, 9022, 12620, 16406, 18044, 22555, 32812, 41015, 45110, 82030, 90220, 164060, 218957, 437914, 875828, 1094785, 2189570, 2846441, 4379140, 5692882, 11385764, 14232205, 28464410, 56928820]

約数ペア:

[(1, 56928820), (2, 28464410), (4, 14232205), (5, 11385764), (10, 5692882), (13, 4379140), (20, 2846441), (26, 2189570), (52, 1094785), (65, 875828), (130, 437914), (260, 218957), (347, 164060), (631, 90220), (694, 82030), (1262, 45110), (1388, 41015), (1735, 32812), (2524, 22555), (3155, 18044), (3470, 16406), (4511, 12620), (6310, 9022), (6940, 8203)]