80745080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5009}}^1$

素因数の和:5064

約数の個数: 64

約数和(自身を含む): 202003200

約数和(自身を除く): 121258120

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, 2015, 3224, 4030, 5009, 8060, 10018, 16120, 20036, 25045, 40072, 50090, 65117, 100180, 130234, 155279, 200360, 260468, 310558, 325585, 520936, 621116, 651170, 776395, 1242232, 1302340, 1552790, 2018627, 2604680, 3105580, 4037254, 6211160, 8074508, 10093135, 16149016, 20186270, 40372540, 80745080]

約数ペア:

[(1, 80745080), (2, 40372540), (4, 20186270), (5, 16149016), (8, 10093135), (10, 8074508), (13, 6211160), (20, 4037254), (26, 3105580), (31, 2604680), (40, 2018627), (52, 1552790), (62, 1302340), (65, 1242232), (104, 776395), (124, 651170), (130, 621116), (155, 520936), (248, 325585), (260, 310558), (310, 260468), (403, 200360), (520, 155279), (620, 130234), (806, 100180), (1240, 65117), (1612, 50090), (2015, 40072), (3224, 25045), (4030, 20036), (5009, 16120), (8060, 10018)]