81862300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62971}}^1$

素因数の和:62998

約数の個数: 36

約数和(自身を含む): 191308936

約数和(自身を除く): 109446636

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62971, 125942, 251884, 314855, 629710, 818623, 1259420, 1574275, 1637246, 3148550, 3274492, 4093115, 6297100, 8186230, 16372460, 20465575, 40931150, 81862300]

約数ペア:

[(1, 81862300), (2, 40931150), (4, 20465575), (5, 16372460), (10, 8186230), (13, 6297100), (20, 4093115), (25, 3274492), (26, 3148550), (50, 1637246), (52, 1574275), (65, 1259420), (100, 818623), (130, 629710), (260, 314855), (325, 251884), (650, 125942), (1300, 62971)]