2021625640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1\times {\mathrm{1571}}^1$

素因数の和:2242

約数の個数: 64

約数和(自身を含む): 4645071360

約数和(自身を除く): 2623445720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 607, 1060, 1214, 1571, 2120, 2428, 3035, 3142, 4856, 6070, 6284, 7855, 12140, 12568, 15710, 24280, 31420, 32171, 62840, 64342, 83263, 128684, 160855, 166526, 257368, 321710, 333052, 416315, 643420, 666104, 832630, 953597, 1286840, 1665260, 1907194, 3330520, 3814388, 4767985, 7628776, 9535970, 19071940, 38143880, 50540641, 101081282, 202162564, 252703205, 404325128, 505406410, 1010812820, 2021625640]

約数ペア:

[(1, 2021625640), (2, 1010812820), (4, 505406410), (5, 404325128), (8, 252703205), (10, 202162564), (20, 101081282), (40, 50540641), (53, 38143880), (106, 19071940), (212, 9535970), (265, 7628776), (424, 4767985), (530, 3814388), (607, 3330520), (1060, 1907194), (1214, 1665260), (1571, 1286840), (2120, 953597), (2428, 832630), (3035, 666104), (3142, 643420), (4856, 416315), (6070, 333052), (6284, 321710), (7855, 257368), (12140, 166526), (12568, 160855), (15710, 128684), (24280, 83263), (31420, 64342), (32171, 62840)]