9390640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 25623360

約数和(自身を除く): 16232720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 409, 410, 560, 574, 656, 818, 820, 1148, 1435, 1636, 1640, 2045, 2296, 2863, 2870, 3272, 3280, 4090, 4592, 5726, 5740, 6544, 8180, 11452, 11480, 14315, 16360, 16769, 22904, 22960, 28630, 32720, 33538, 45808, 57260, 67076, 83845, 114520, 117383, 134152, 167690, 229040, 234766, 268304, 335380, 469532, 586915, 670760, 939064, 1173830, 1341520, 1878128, 2347660, 4695320, 9390640]

約数ペア:

[(1, 9390640), (2, 4695320), (4, 2347660), (5, 1878128), (7, 1341520), (8, 1173830), (10, 939064), (14, 670760), (16, 586915), (20, 469532), (28, 335380), (35, 268304), (40, 234766), (41, 229040), (56, 167690), (70, 134152), (80, 117383), (82, 114520), (112, 83845), (140, 67076), (164, 57260), (205, 45808), (280, 33538), (287, 32720), (328, 28630), (409, 22960), (410, 22904), (560, 16769), (574, 16360), (656, 14315), (818, 11480), (820, 11452), (1148, 8180), (1435, 6544), (1636, 5740), (1640, 5726), (2045, 4592), (2296, 4090), (2863, 3280), (2870, 3272)]