1878201320

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{30431}}^1$

素因数の和:31985

約数の個数: 32

約数和(自身を含む): 4228830720

約数和(自身を除く): 2350629400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 3086, 6172, 7715, 12344, 15430, 30431, 30860, 60862, 61720, 121724, 152155, 243448, 304310, 608620, 1217240, 46955033, 93910066, 187820132, 234775165, 375640264, 469550330, 939100660, 1878201320]

約数ペア:

[(1, 1878201320), (2, 939100660), (4, 469550330), (5, 375640264), (8, 234775165), (10, 187820132), (20, 93910066), (40, 46955033), (1543, 1217240), (3086, 608620), (6172, 304310), (7715, 243448), (12344, 152155), (15430, 121724), (30431, 61720), (30860, 60862)]