90204640

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7723}}^1$

素因数の和:7811

約数の個数: 48

約数和(自身を含む): 216055728

約数和(自身を除く): 125851088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 7723, 11680, 15446, 30892, 38615, 61784, 77230, 123568, 154460, 247136, 308920, 563779, 617840, 1127558, 1235680, 2255116, 2818895, 4510232, 5637790, 9020464, 11275580, 18040928, 22551160, 45102320, 90204640]

約数ペア:

[(1, 90204640), (2, 45102320), (4, 22551160), (5, 18040928), (8, 11275580), (10, 9020464), (16, 5637790), (20, 4510232), (32, 2818895), (40, 2255116), (73, 1235680), (80, 1127558), (146, 617840), (160, 563779), (292, 308920), (365, 247136), (584, 154460), (730, 123568), (1168, 77230), (1460, 61784), (2336, 38615), (2920, 30892), (5840, 15446), (7723, 11680)]