39905120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{863}}^1$

素因数の和:912

約数の個数: 72

約数和(自身を含む): 100263744

約数和(自身を除く): 60358624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 863, 1156, 1360, 1445, 1726, 2312, 2720, 2890, 3452, 4315, 4624, 5780, 6904, 8630, 9248, 11560, 13808, 14671, 17260, 23120, 27616, 29342, 34520, 46240, 58684, 69040, 73355, 117368, 138080, 146710, 234736, 249407, 293420, 469472, 498814, 586840, 997628, 1173680, 1247035, 1995256, 2347360, 2494070, 3990512, 4988140, 7981024, 9976280, 19952560, 39905120]

約数ペア:

[(1, 39905120), (2, 19952560), (4, 9976280), (5, 7981024), (8, 4988140), (10, 3990512), (16, 2494070), (17, 2347360), (20, 1995256), (32, 1247035), (34, 1173680), (40, 997628), (68, 586840), (80, 498814), (85, 469472), (136, 293420), (160, 249407), (170, 234736), (272, 146710), (289, 138080), (340, 117368), (544, 73355), (578, 69040), (680, 58684), (863, 46240), (1156, 34520), (1360, 29342), (1445, 27616), (1726, 23120), (2312, 17260), (2720, 14671), (2890, 13808), (3452, 11560), (4315, 9248), (4624, 8630), (5780, 6904)]