31137040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 80994816

約数和(自身を除く): 49857776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 863, 880, 902, 1640, 1726, 1804, 2255, 3280, 3452, 3608, 4315, 4510, 6904, 7216, 8630, 9020, 9493, 13808, 17260, 18040, 18986, 34520, 35383, 36080, 37972, 47465, 69040, 70766, 75944, 94930, 141532, 151888, 176915, 189860, 283064, 353830, 379720, 389213, 566128, 707660, 759440, 778426, 1415320, 1556852, 1946065, 2830640, 3113704, 3892130, 6227408, 7784260, 15568520, 31137040]

約数ペア:

[(1, 31137040), (2, 15568520), (4, 7784260), (5, 6227408), (8, 3892130), (10, 3113704), (11, 2830640), (16, 1946065), (20, 1556852), (22, 1415320), (40, 778426), (41, 759440), (44, 707660), (55, 566128), (80, 389213), (82, 379720), (88, 353830), (110, 283064), (164, 189860), (176, 176915), (205, 151888), (220, 141532), (328, 94930), (410, 75944), (440, 70766), (451, 69040), (656, 47465), (820, 37972), (863, 36080), (880, 35383), (902, 34520), (1640, 18986), (1726, 18040), (1804, 17260), (2255, 13808), (3280, 9493), (3452, 9020), (3608, 8630), (4315, 7216), (4510, 6904)]