65339920

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3389}}^1$

素因数の和:3643

約数の個数: 40

約数和(自身を含む): 152590680

約数和(自身を除く): 87250760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3389, 3856, 4820, 6778, 9640, 13556, 16945, 19280, 27112, 33890, 54224, 67780, 135560, 271120, 816749, 1633498, 3266996, 4083745, 6533992, 8167490, 13067984, 16334980, 32669960, 65339920]

約数ペア:

[(1, 65339920), (2, 32669960), (4, 16334980), (5, 13067984), (8, 8167490), (10, 6533992), (16, 4083745), (20, 3266996), (40, 1633498), (80, 816749), (241, 271120), (482, 135560), (964, 67780), (1205, 54224), (1928, 33890), (2410, 27112), (3389, 19280), (3856, 16945), (4820, 13556), (6778, 9640)]