40401860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 90357120

約数和(自身を除く): 49955260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 359, 662, 718, 1324, 1436, 1655, 1795, 3310, 3590, 5627, 6103, 6620, 7180, 11254, 12206, 22508, 24412, 28135, 30515, 56270, 61030, 112540, 118829, 122060, 237658, 475316, 594145, 1188290, 2020093, 2376580, 4040186, 8080372, 10100465, 20200930, 40401860]

約数ペア:

[(1, 40401860), (2, 20200930), (4, 10100465), (5, 8080372), (10, 4040186), (17, 2376580), (20, 2020093), (34, 1188290), (68, 594145), (85, 475316), (170, 237658), (331, 122060), (340, 118829), (359, 112540), (662, 61030), (718, 56270), (1324, 30515), (1436, 28135), (1655, 24412), (1795, 22508), (3310, 12206), (3590, 11254), (5627, 7180), (6103, 6620)]