25358560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9323}}^1$

素因数の和:9355

約数の個数: 48

約数和(自身を含む): 63440496

約数和(自身を除く): 38081936

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, 9323, 18646, 37292, 46615, 74584, 93230, 149168, 158491, 186460, 298336, 316982, 372920, 633964, 745840, 792455, 1267928, 1491680, 1584910, 2535856, 3169820, 5071712, 6339640, 12679280, 25358560]

約数ペア:

[(1, 25358560), (2, 12679280), (4, 6339640), (5, 5071712), (8, 3169820), (10, 2535856), (16, 1584910), (17, 1491680), (20, 1267928), (32, 792455), (34, 745840), (40, 633964), (68, 372920), (80, 316982), (85, 298336), (136, 186460), (160, 158491), (170, 149168), (272, 93230), (340, 74584), (544, 46615), (680, 37292), (1360, 18646), (2720, 9323)]