1649778520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{47353}}^1$

素因数の和:47444

約数の個数: 64

約数和(自身を含む): 4057290720

約数和(自身を除く): 2407512200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 34840, 47353, 94706, 189412, 236765, 378824, 473530, 615589, 947060, 1231178, 1894120, 2462356, 3077945, 3172651, 4924712, 6155890, 6345302, 12311780, 12690604, 15863255, 24623560, 25381208, 31726510, 41244463, 63453020, 82488926, 126906040, 164977852, 206222315, 329955704, 412444630, 824889260, 1649778520]

約数ペア:

[(1, 1649778520), (2, 824889260), (4, 412444630), (5, 329955704), (8, 206222315), (10, 164977852), (13, 126906040), (20, 82488926), (26, 63453020), (40, 41244463), (52, 31726510), (65, 25381208), (67, 24623560), (104, 15863255), (130, 12690604), (134, 12311780), (260, 6345302), (268, 6155890), (335, 4924712), (520, 3172651), (536, 3077945), (670, 2462356), (871, 1894120), (1340, 1231178), (1742, 947060), (2680, 615589), (3484, 473530), (4355, 378824), (6968, 236765), (8710, 189412), (17420, 94706), (34840, 47353)]