5621720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 14364000

約数和(自身を除く): 8742280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 569, 760, 988, 1138, 1235, 1976, 2276, 2470, 2845, 4552, 4940, 5690, 7397, 9880, 10811, 11380, 14794, 21622, 22760, 29588, 36985, 43244, 54055, 59176, 73970, 86488, 108110, 140543, 147940, 216220, 281086, 295880, 432440, 562172, 702715, 1124344, 1405430, 2810860, 5621720]

約数ペア:

[(1, 5621720), (2, 2810860), (4, 1405430), (5, 1124344), (8, 702715), (10, 562172), (13, 432440), (19, 295880), (20, 281086), (26, 216220), (38, 147940), (40, 140543), (52, 108110), (65, 86488), (76, 73970), (95, 59176), (104, 54055), (130, 43244), (152, 36985), (190, 29588), (247, 22760), (260, 21622), (380, 14794), (494, 11380), (520, 10811), (569, 9880), (760, 7397), (988, 5690), (1138, 4940), (1235, 4552), (1976, 2845), (2276, 2470)]