26713720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 66290400

約数和(自身を除く): 39576680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 557, 872, 1090, 1114, 1199, 2180, 2228, 2398, 2785, 4360, 4456, 4796, 5570, 5995, 6127, 9592, 11140, 11990, 12254, 22280, 23980, 24508, 30635, 47960, 49016, 60713, 61270, 121426, 122540, 242852, 245080, 303565, 485704, 607130, 667843, 1214260, 1335686, 2428520, 2671372, 3339215, 5342744, 6678430, 13356860, 26713720]

約数ペア:

[(1, 26713720), (2, 13356860), (4, 6678430), (5, 5342744), (8, 3339215), (10, 2671372), (11, 2428520), (20, 1335686), (22, 1214260), (40, 667843), (44, 607130), (55, 485704), (88, 303565), (109, 245080), (110, 242852), (218, 122540), (220, 121426), (436, 61270), (440, 60713), (545, 49016), (557, 47960), (872, 30635), (1090, 24508), (1114, 23980), (1199, 22280), (2180, 12254), (2228, 11990), (2398, 11140), (2785, 9592), (4360, 6127), (4456, 5995), (4796, 5570)]