166416680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{134207}}^1$

素因数の和:134249

約数の個数: 32

約数和(自身を含む): 386519040

約数和(自身を除く): 220102360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 134207, 268414, 536828, 671035, 1073656, 1342070, 2684140, 4160417, 5368280, 8320834, 16641668, 20802085, 33283336, 41604170, 83208340, 166416680]

約数ペア:

[(1, 166416680), (2, 83208340), (4, 41604170), (5, 33283336), (8, 20802085), (10, 16641668), (20, 8320834), (31, 5368280), (40, 4160417), (62, 2684140), (124, 1342070), (155, 1073656), (248, 671035), (310, 536828), (620, 268414), (1240, 134207)]