17965280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2451

約数の個数: 48

約数和(自身を含む): 43364160

約数和(自身を除く): 25398880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2389, 3760, 4778, 7520, 9556, 11945, 19112, 23890, 38224, 47780, 76448, 95560, 112283, 191120, 224566, 382240, 449132, 561415, 898264, 1122830, 1796528, 2245660, 3593056, 4491320, 8982640, 17965280]

約数ペア:

[(1, 17965280), (2, 8982640), (4, 4491320), (5, 3593056), (8, 2245660), (10, 1796528), (16, 1122830), (20, 898264), (32, 561415), (40, 449132), (47, 382240), (80, 224566), (94, 191120), (160, 112283), (188, 95560), (235, 76448), (376, 47780), (470, 38224), (752, 23890), (940, 19112), (1504, 11945), (1880, 9556), (2389, 7520), (3760, 4778)]