173840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 421848

約数和(自身を除く): 248008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 656, 820, 848, 1060, 1640, 2120, 2173, 3280, 4240, 4346, 8692, 10865, 17384, 21730, 34768, 43460, 86920, 173840]

約数ペア:

[(1, 173840), (2, 86920), (4, 43460), (5, 34768), (8, 21730), (10, 17384), (16, 10865), (20, 8692), (40, 4346), (41, 4240), (53, 3280), (80, 2173), (82, 2120), (106, 1640), (164, 1060), (205, 848), (212, 820), (265, 656), (328, 530), (410, 424)]