8914240

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:419

約数の個数: 56

約数和(自身を含む): 21534120

約数和(自身を除く): 12619880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 313, 320, 356, 445, 626, 712, 890, 1252, 1424, 1565, 1780, 2504, 2848, 3130, 3560, 5008, 5696, 6260, 7120, 10016, 12520, 14240, 20032, 25040, 27857, 28480, 50080, 55714, 100160, 111428, 139285, 222856, 278570, 445712, 557140, 891424, 1114280, 1782848, 2228560, 4457120, 8914240]

約数ペア:

[(1, 8914240), (2, 4457120), (4, 2228560), (5, 1782848), (8, 1114280), (10, 891424), (16, 557140), (20, 445712), (32, 278570), (40, 222856), (64, 139285), (80, 111428), (89, 100160), (160, 55714), (178, 50080), (313, 28480), (320, 27857), (356, 25040), (445, 20032), (626, 14240), (712, 12520), (890, 10016), (1252, 7120), (1424, 6260), (1565, 5696), (1780, 5008), (2504, 3560), (2848, 3130)]