839179640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{124139}}^1$

素因数の和:124176

約数の個数: 48

約数和(自身を含む): 2044585800

約数和(自身を除く): 1205406160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 124139, 248278, 496556, 620695, 993112, 1241390, 1613807, 2482780, 3227614, 4965560, 6455228, 8069035, 12910456, 16138070, 20979491, 32276140, 41958982, 64552280, 83917964, 104897455, 167835928, 209794910, 419589820, 839179640]

約数ペア:

[(1, 839179640), (2, 419589820), (4, 209794910), (5, 167835928), (8, 104897455), (10, 83917964), (13, 64552280), (20, 41958982), (26, 32276140), (40, 20979491), (52, 16138070), (65, 12910456), (104, 8069035), (130, 6455228), (169, 4965560), (260, 3227614), (338, 2482780), (520, 1613807), (676, 1241390), (845, 993112), (1352, 620695), (1690, 496556), (3380, 248278), (6760, 124139)]