8718380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 20853504

約数和(自身を除く): 12135124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1723, 2530, 3446, 5060, 6892, 8615, 17230, 18953, 34460, 37906, 39629, 75812, 79258, 94765, 158516, 189530, 198145, 379060, 396290, 435919, 792580, 871838, 1743676, 2179595, 4359190, 8718380]

約数ペア:

[(1, 8718380), (2, 4359190), (4, 2179595), (5, 1743676), (10, 871838), (11, 792580), (20, 435919), (22, 396290), (23, 379060), (44, 198145), (46, 189530), (55, 158516), (92, 94765), (110, 79258), (115, 75812), (220, 39629), (230, 37906), (253, 34460), (460, 18953), (506, 17230), (1012, 8615), (1265, 6892), (1723, 5060), (2530, 3446)]