40214980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1129}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 91692720

約数和(自身を除く): 51477740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1129, 1370, 1781, 2258, 2740, 3562, 4516, 5645, 7124, 8905, 11290, 14677, 17810, 22580, 29354, 35620, 58708, 73385, 146770, 154673, 293540, 309346, 618692, 773365, 1546730, 2010749, 3093460, 4021498, 8042996, 10053745, 20107490, 40214980]

約数ペア:

[(1, 40214980), (2, 20107490), (4, 10053745), (5, 8042996), (10, 4021498), (13, 3093460), (20, 2010749), (26, 1546730), (52, 773365), (65, 618692), (130, 309346), (137, 293540), (260, 154673), (274, 146770), (548, 73385), (685, 58708), (1129, 35620), (1370, 29354), (1781, 22580), (2258, 17810), (2740, 14677), (3562, 11290), (4516, 8905), (5645, 7124)]