40645160

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7417}}^1$

素因数の和:7565

約数の個数: 32

約数和(自身を含む): 92131560

約数和(自身を除く): 51486400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 7417, 14834, 29668, 37085, 59336, 74170, 148340, 296680, 1016129, 2032258, 4064516, 5080645, 8129032, 10161290, 20322580, 40645160]

約数ペア:

[(1, 40645160), (2, 20322580), (4, 10161290), (5, 8129032), (8, 5080645), (10, 4064516), (20, 2032258), (40, 1016129), (137, 296680), (274, 148340), (548, 74170), (685, 59336), (1096, 37085), (1370, 29668), (2740, 14834), (5480, 7417)]