40355720

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1217}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 90984600

約数和(自身を除く): 50628880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1217, 1658, 2434, 3316, 4145, 4868, 6085, 6632, 8290, 9736, 12170, 16580, 24340, 33160, 48680, 1008893, 2017786, 4035572, 5044465, 8071144, 10088930, 20177860, 40355720]

約数ペア:

[(1, 40355720), (2, 20177860), (4, 10088930), (5, 8071144), (8, 5044465), (10, 4035572), (20, 2017786), (40, 1008893), (829, 48680), (1217, 33160), (1658, 24340), (2434, 16580), (3316, 12170), (4145, 9736), (4868, 8290), (6085, 6632)]