64072040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 150197760

約数和(自身を除く): 86125720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 317, 326, 620, 634, 652, 815, 1240, 1268, 1304, 1585, 1630, 2536, 3170, 3260, 5053, 6340, 6520, 9827, 10106, 12680, 19654, 20212, 25265, 39308, 40424, 49135, 50530, 51671, 78616, 98270, 101060, 103342, 196540, 202120, 206684, 258355, 393080, 413368, 516710, 1033420, 1601801, 2066840, 3203602, 6407204, 8009005, 12814408, 16018010, 32036020, 64072040]

約数ペア:

[(1, 64072040), (2, 32036020), (4, 16018010), (5, 12814408), (8, 8009005), (10, 6407204), (20, 3203602), (31, 2066840), (40, 1601801), (62, 1033420), (124, 516710), (155, 413368), (163, 393080), (248, 258355), (310, 206684), (317, 202120), (326, 196540), (620, 103342), (634, 101060), (652, 98270), (815, 78616), (1240, 51671), (1268, 50530), (1304, 49135), (1585, 40424), (1630, 39308), (2536, 25265), (3170, 20212), (3260, 19654), (5053, 12680), (6340, 10106), (6520, 9827)]