39754840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 100573200

約数和(自身を除く): 60818360

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 181, 190, 289, 323, 340, 362, 380, 578, 646, 680, 724, 760, 905, 1156, 1292, 1445, 1448, 1615, 1810, 2312, 2584, 2890, 3077, 3230, 3439, 3620, 5491, 5780, 6154, 6460, 6878, 7240, 10982, 11560, 12308, 12920, 13756, 15385, 17195, 21964, 24616, 27455, 27512, 30770, 34390, 43928, 52309, 54910, 58463, 61540, 68780, 104618, 109820, 116926, 123080, 137560, 209236, 219640, 233852, 261545, 292315, 418472, 467704, 523090, 584630, 993871, 1046180, 1169260, 1987742, 2092360, 2338520, 3975484, 4969355, 7950968, 9938710, 19877420, 39754840]

約数ペア:

[(1, 39754840), (2, 19877420), (4, 9938710), (5, 7950968), (8, 4969355), (10, 3975484), (17, 2338520), (19, 2092360), (20, 1987742), (34, 1169260), (38, 1046180), (40, 993871), (68, 584630), (76, 523090), (85, 467704), (95, 418472), (136, 292315), (152, 261545), (170, 233852), (181, 219640), (190, 209236), (289, 137560), (323, 123080), (340, 116926), (362, 109820), (380, 104618), (578, 68780), (646, 61540), (680, 58463), (724, 54910), (760, 52309), (905, 43928), (1156, 34390), (1292, 30770), (1445, 27512), (1448, 27455), (1615, 24616), (1810, 21964), (2312, 17195), (2584, 15385), (2890, 13756), (3077, 12920), (3230, 12308), (3439, 11560), (3620, 10982), (5491, 7240), (5780, 6878), (6154, 6460)]