8376920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 11944360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 127, 136, 170, 194, 254, 340, 388, 485, 508, 635, 680, 776, 970, 1016, 1270, 1649, 1940, 2159, 2540, 3298, 3880, 4318, 5080, 6596, 8245, 8636, 10795, 12319, 13192, 16490, 17272, 21590, 24638, 32980, 43180, 49276, 61595, 65960, 86360, 98552, 123190, 209423, 246380, 418846, 492760, 837692, 1047115, 1675384, 2094230, 4188460, 8376920]

約数ペア:

[(1, 8376920), (2, 4188460), (4, 2094230), (5, 1675384), (8, 1047115), (10, 837692), (17, 492760), (20, 418846), (34, 246380), (40, 209423), (68, 123190), (85, 98552), (97, 86360), (127, 65960), (136, 61595), (170, 49276), (194, 43180), (254, 32980), (340, 24638), (388, 21590), (485, 17272), (508, 16490), (635, 13192), (680, 12319), (776, 10795), (970, 8636), (1016, 8245), (1270, 6596), (1649, 5080), (1940, 4318), (2159, 3880), (2540, 3298)]