40656220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1021}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 93746016

約数和(自身を除く): 53089796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1021, 1810, 1991, 2042, 3620, 3982, 4084, 5105, 7964, 9955, 10210, 11231, 19910, 20420, 22462, 39820, 44924, 56155, 112310, 184801, 224620, 369602, 739204, 924005, 1848010, 2032811, 3696020, 4065622, 8131244, 10164055, 20328110, 40656220]

約数ペア:

[(1, 40656220), (2, 20328110), (4, 10164055), (5, 8131244), (10, 4065622), (11, 3696020), (20, 2032811), (22, 1848010), (44, 924005), (55, 739204), (110, 369602), (181, 224620), (220, 184801), (362, 112310), (724, 56155), (905, 44924), (1021, 39820), (1810, 22462), (1991, 20420), (2042, 19910), (3620, 11231), (3982, 10210), (4084, 9955), (5105, 7964)]