168030920

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{13421}}^1$

素因数の和:13745

約数の個数: 32

約数和(自身を含む): 379305720

約数和(自身を除く): 211274800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 13421, 26842, 53684, 67105, 107368, 134210, 268420, 536840, 4200773, 8401546, 16803092, 21003865, 33606184, 42007730, 84015460, 168030920]

約数ペア:

[(1, 168030920), (2, 84015460), (4, 42007730), (5, 33606184), (8, 21003865), (10, 16803092), (20, 8401546), (40, 4200773), (313, 536840), (626, 268420), (1252, 134210), (1565, 107368), (2504, 67105), (3130, 53684), (6260, 26842), (12520, 13421)]