56477720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 137682720

約数和(自身を除く): 81205000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 313, 347, 520, 626, 694, 1252, 1388, 1565, 1735, 2504, 2776, 3130, 3470, 4069, 4511, 6260, 6940, 8138, 9022, 12520, 13880, 16276, 18044, 20345, 22555, 32552, 36088, 40690, 45110, 81380, 90220, 108611, 162760, 180440, 217222, 434444, 543055, 868888, 1086110, 1411943, 2172220, 2823886, 4344440, 5647772, 7059715, 11295544, 14119430, 28238860, 56477720]

約数ペア:

[(1, 56477720), (2, 28238860), (4, 14119430), (5, 11295544), (8, 7059715), (10, 5647772), (13, 4344440), (20, 2823886), (26, 2172220), (40, 1411943), (52, 1086110), (65, 868888), (104, 543055), (130, 434444), (260, 217222), (313, 180440), (347, 162760), (520, 108611), (626, 90220), (694, 81380), (1252, 45110), (1388, 40690), (1565, 36088), (1735, 32552), (2504, 22555), (2776, 20345), (3130, 18044), (3470, 16276), (4069, 13880), (4511, 12520), (6260, 9022), (6940, 8138)]