18275680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6719}}^1$

素因数の和:6751

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 27447200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6719, 13438, 26876, 33595, 53752, 67190, 107504, 114223, 134380, 215008, 228446, 268760, 456892, 537520, 571115, 913784, 1075040, 1142230, 1827568, 2284460, 3655136, 4568920, 9137840, 18275680]

約数ペア:

[(1, 18275680), (2, 9137840), (4, 4568920), (5, 3655136), (8, 2284460), (10, 1827568), (16, 1142230), (17, 1075040), (20, 913784), (32, 571115), (34, 537520), (40, 456892), (68, 268760), (80, 228446), (85, 215008), (136, 134380), (160, 114223), (170, 107504), (272, 67190), (340, 53752), (544, 33595), (680, 26876), (1360, 13438), (2720, 6719)]