153948440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{93871}}^1$

素因数の和:93923

約数の個数: 32

約数和(自身を含む): 354836160

約数和(自身を除く): 200887720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 93871, 187742, 375484, 469355, 750968, 938710, 1877420, 3754840, 3848711, 7697422, 15394844, 19243555, 30789688, 38487110, 76974220, 153948440]

約数ペア:

[(1, 153948440), (2, 76974220), (4, 38487110), (5, 30789688), (8, 19243555), (10, 15394844), (20, 7697422), (40, 3848711), (41, 3754840), (82, 1877420), (164, 938710), (205, 750968), (328, 469355), (410, 375484), (820, 187742), (1640, 93871)]