71242340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8839}}^1$

素因数の和:8892

約数の個数: 48

約数和(自身を含む): 166333440

約数和(自身を除く): 95091100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8839, 17678, 35356, 44195, 88390, 114907, 176780, 229814, 274009, 459628, 548018, 574535, 1096036, 1149070, 1370045, 2298140, 2740090, 3562117, 5480180, 7124234, 14248468, 17810585, 35621170, 71242340]

約数ペア:

[(1, 71242340), (2, 35621170), (4, 17810585), (5, 14248468), (10, 7124234), (13, 5480180), (20, 3562117), (26, 2740090), (31, 2298140), (52, 1370045), (62, 1149070), (65, 1096036), (124, 574535), (130, 548018), (155, 459628), (260, 274009), (310, 229814), (403, 176780), (620, 114907), (806, 88390), (1612, 44195), (2015, 35356), (4030, 17678), (8060, 8839)]