23688340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 31630700

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, 2939, 4030, 5878, 8060, 11756, 14695, 29390, 38207, 58780, 76414, 91109, 152828, 182218, 191035, 364436, 382070, 455545, 764140, 911090, 1184417, 1822180, 2368834, 4737668, 5922085, 11844170, 23688340]

約数ペア:

[(1, 23688340), (2, 11844170), (4, 5922085), (5, 4737668), (10, 2368834), (13, 1822180), (20, 1184417), (26, 911090), (31, 764140), (52, 455545), (62, 382070), (65, 364436), (124, 191035), (130, 182218), (155, 152828), (260, 91109), (310, 76414), (403, 58780), (620, 38207), (806, 29390), (1612, 14695), (2015, 11756), (2939, 8060), (4030, 5878)]