64528880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62047}}^1$

素因数の和:62073

約数の個数: 40

約数和(自身を含む): 161572992

約数和(自身を除く): 97044112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62047, 124094, 248188, 310235, 496376, 620470, 806611, 992752, 1240940, 1613222, 2481880, 3226444, 4033055, 4963760, 6452888, 8066110, 12905776, 16132220, 32264440, 64528880]

約数ペア:

[(1, 64528880), (2, 32264440), (4, 16132220), (5, 12905776), (8, 8066110), (10, 6452888), (13, 4963760), (16, 4033055), (20, 3226444), (26, 2481880), (40, 1613222), (52, 1240940), (65, 992752), (80, 806611), (104, 620470), (130, 496376), (208, 310235), (260, 248188), (520, 124094), (1040, 62047)]