28258360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 70721280

約数和(自身を除く): 42462920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 1753, 2015, 3224, 3506, 4030, 7012, 8060, 8765, 14024, 16120, 17530, 22789, 35060, 45578, 54343, 70120, 91156, 108686, 113945, 182312, 217372, 227890, 271715, 434744, 455780, 543430, 706459, 911560, 1086860, 1412918, 2173720, 2825836, 3532295, 5651672, 7064590, 14129180, 28258360]

約数ペア:

[(1, 28258360), (2, 14129180), (4, 7064590), (5, 5651672), (8, 3532295), (10, 2825836), (13, 2173720), (20, 1412918), (26, 1086860), (31, 911560), (40, 706459), (52, 543430), (62, 455780), (65, 434744), (104, 271715), (124, 227890), (130, 217372), (155, 182312), (248, 113945), (260, 108686), (310, 91156), (403, 70120), (520, 54343), (620, 45578), (806, 35060), (1240, 22789), (1612, 17530), (1753, 16120), (2015, 14024), (3224, 8765), (3506, 8060), (4030, 7012)]