200347640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^2\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 456216840

約数和(自身を除く): 255869200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 491, 505, 808, 982, 1010, 1964, 2020, 2455, 3928, 4040, 4910, 9820, 10201, 19640, 20402, 40804, 49591, 51005, 81608, 99182, 102010, 198364, 204020, 247955, 396728, 408040, 495910, 991820, 1983640, 5008691, 10017382, 20034764, 25043455, 40069528, 50086910, 100173820, 200347640]

約数ペア:

[(1, 200347640), (2, 100173820), (4, 50086910), (5, 40069528), (8, 25043455), (10, 20034764), (20, 10017382), (40, 5008691), (101, 1983640), (202, 991820), (404, 495910), (491, 408040), (505, 396728), (808, 247955), (982, 204020), (1010, 198364), (1964, 102010), (2020, 99182), (2455, 81608), (3928, 51005), (4040, 49591), (4910, 40804), (9820, 20402), (10201, 19640)]