528912040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{8311}}^1$

素因数の和:8402

約数の個数: 64

約数和(自身を含む): 1250789760

約数和(自身を除く): 721877720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 8311, 12728, 15910, 16622, 31820, 33244, 41555, 63640, 66488, 83110, 166220, 307507, 332440, 357373, 615014, 714746, 1230028, 1429492, 1537535, 1786865, 2460056, 2858984, 3075070, 3573730, 6150140, 7147460, 12300280, 13222801, 14294920, 26445602, 52891204, 66114005, 105782408, 132228010, 264456020, 528912040]

約数ペア:

[(1, 528912040), (2, 264456020), (4, 132228010), (5, 105782408), (8, 66114005), (10, 52891204), (20, 26445602), (37, 14294920), (40, 13222801), (43, 12300280), (74, 7147460), (86, 6150140), (148, 3573730), (172, 3075070), (185, 2858984), (215, 2460056), (296, 1786865), (344, 1537535), (370, 1429492), (430, 1230028), (740, 714746), (860, 615014), (1480, 357373), (1591, 332440), (1720, 307507), (3182, 166220), (6364, 83110), (7955, 66488), (8311, 63640), (12728, 41555), (15910, 33244), (16622, 31820)]