40290918560

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1391261}}^1$

素因数の和:1391457

約数の個数: 48

約数和(自身を含む): 95713260552

約数和(自身を除く): 55422341992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 5792, 7240, 14480, 28960, 1391261, 2782522, 5565044, 6956305, 11130088, 13912610, 22260176, 27825220, 44520352, 55650440, 111300880, 222601760, 251818241, 503636482, 1007272964, 1259091205, 2014545928, 2518182410, 4029091856, 5036364820, 8058183712, 10072729640, 20145459280, 40290918560]

約数ペア:

[(1, 40290918560), (2, 20145459280), (4, 10072729640), (5, 8058183712), (8, 5036364820), (10, 4029091856), (16, 2518182410), (20, 2014545928), (32, 1259091205), (40, 1007272964), (80, 503636482), (160, 251818241), (181, 222601760), (362, 111300880), (724, 55650440), (905, 44520352), (1448, 27825220), (1810, 22260176), (2896, 13912610), (3620, 11130088), (5792, 6956305), (7240, 5565044), (14480, 2782522), (28960, 1391261)]