90163640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322013}}^1$

素因数の和:322031

約数の個数: 32

約数和(自身を含む): 231850080

約数和(自身を除く): 141686440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322013, 644026, 1288052, 1610065, 2254091, 2576104, 3220130, 4508182, 6440260, 9016364, 11270455, 12880520, 18032728, 22540910, 45081820, 90163640]

約数ペア:

[(1, 90163640), (2, 45081820), (4, 22540910), (5, 18032728), (7, 12880520), (8, 11270455), (10, 9016364), (14, 6440260), (20, 4508182), (28, 3220130), (35, 2576104), (40, 2254091), (56, 1610065), (70, 1288052), (140, 644026), (280, 322013)]