8460920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 20956320

約数和(自身を除く): 12495400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 307, 424, 520, 530, 614, 689, 1060, 1228, 1378, 1535, 2120, 2456, 2756, 3070, 3445, 3991, 5512, 6140, 6890, 7982, 12280, 13780, 15964, 16271, 19955, 27560, 31928, 32542, 39910, 65084, 79820, 81355, 130168, 159640, 162710, 211523, 325420, 423046, 650840, 846092, 1057615, 1692184, 2115230, 4230460, 8460920]

約数ペア:

[(1, 8460920), (2, 4230460), (4, 2115230), (5, 1692184), (8, 1057615), (10, 846092), (13, 650840), (20, 423046), (26, 325420), (40, 211523), (52, 162710), (53, 159640), (65, 130168), (104, 81355), (106, 79820), (130, 65084), (212, 39910), (260, 32542), (265, 31928), (307, 27560), (424, 19955), (520, 16271), (530, 15964), (614, 13780), (689, 12280), (1060, 7982), (1228, 6890), (1378, 6140), (1535, 5512), (2120, 3991), (2456, 3445), (2756, 3070)]