89882890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5081}}^1$

素因数の和:5178

約数の個数: 32

約数和(自身を含む): 170145360

約数和(自身を除く): 80262470

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 5081, 8845, 10162, 17690, 25405, 50810, 147349, 294698, 309941, 619882, 736745, 1473490, 1549705, 3099410, 8988289, 17976578, 44941445, 89882890]

約数ペア:

[(1, 89882890), (2, 44941445), (5, 17976578), (10, 8988289), (29, 3099410), (58, 1549705), (61, 1473490), (122, 736745), (145, 619882), (290, 309941), (305, 294698), (610, 147349), (1769, 50810), (3538, 25405), (5081, 17690), (8845, 10162)]