28652500

素因数分解:

$2^2\times 5^4\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 63920164

約数和(自身を除く): 35267664

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 157, 250, 292, 314, 365, 500, 625, 628, 730, 785, 1250, 1460, 1570, 1825, 2500, 3140, 3650, 3925, 7300, 7850, 9125, 11461, 15700, 18250, 19625, 22922, 36500, 39250, 45625, 45844, 57305, 78500, 91250, 98125, 114610, 182500, 196250, 229220, 286525, 392500, 573050, 1146100, 1432625, 2865250, 5730500, 7163125, 14326250, 28652500]

約数ペア:

[(1, 28652500), (2, 14326250), (4, 7163125), (5, 5730500), (10, 2865250), (20, 1432625), (25, 1146100), (50, 573050), (73, 392500), (100, 286525), (125, 229220), (146, 196250), (157, 182500), (250, 114610), (292, 98125), (314, 91250), (365, 78500), (500, 57305), (625, 45844), (628, 45625), (730, 39250), (785, 36500), (1250, 22922), (1460, 19625), (1570, 18250), (1825, 15700), (2500, 11461), (3140, 9125), (3650, 7850), (3925, 7300)]