40448980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14143}}^1$

素因数の和:14176

約数の個数: 48

約数和(自身を含む): 99800064

約数和(自身を除く): 59351084

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 14143, 28286, 56572, 70715, 141430, 155573, 183859, 282860, 311146, 367718, 622292, 735436, 777865, 919295, 1555730, 1838590, 2022449, 3111460, 3677180, 4044898, 8089796, 10112245, 20224490, 40448980]

約数ペア:

[(1, 40448980), (2, 20224490), (4, 10112245), (5, 8089796), (10, 4044898), (11, 3677180), (13, 3111460), (20, 2022449), (22, 1838590), (26, 1555730), (44, 919295), (52, 777865), (55, 735436), (65, 622292), (110, 367718), (130, 311146), (143, 282860), (220, 183859), (260, 155573), (286, 141430), (572, 70715), (715, 56572), (1430, 28286), (2860, 14143)]