13870180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11369}}^1$

素因数の和:11439

約数の個数: 24

約数和(自身を含む): 29607480

約数和(自身を除く): 15737300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11369, 22738, 45476, 56845, 113690, 227380, 693509, 1387018, 2774036, 3467545, 6935090, 13870180]

約数ペア:

[(1, 13870180), (2, 6935090), (4, 3467545), (5, 2774036), (10, 1387018), (20, 693509), (61, 227380), (122, 113690), (244, 56845), (305, 45476), (610, 22738), (1220, 11369)]