31061440

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:989

約数の個数: 56

約数和(自身を含む): 74706480

約数和(自身を除く): 43645040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 859, 904, 1130, 1718, 1808, 2260, 3436, 3616, 4295, 4520, 6872, 7232, 8590, 9040, 13744, 17180, 18080, 27488, 34360, 36160, 54976, 68720, 97067, 137440, 194134, 274880, 388268, 485335, 776536, 970670, 1553072, 1941340, 3106144, 3882680, 6212288, 7765360, 15530720, 31061440]

約数ペア:

[(1, 31061440), (2, 15530720), (4, 7765360), (5, 6212288), (8, 3882680), (10, 3106144), (16, 1941340), (20, 1553072), (32, 970670), (40, 776536), (64, 485335), (80, 388268), (113, 274880), (160, 194134), (226, 137440), (320, 97067), (452, 68720), (565, 54976), (859, 36160), (904, 34360), (1130, 27488), (1718, 18080), (1808, 17180), (2260, 13744), (3436, 9040), (3616, 8590), (4295, 7232), (4520, 6872)]