13005680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 32703264

約数和(自身を除く): 19697584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 131, 136, 146, 170, 262, 272, 292, 340, 365, 524, 584, 655, 680, 730, 1048, 1168, 1241, 1310, 1360, 1460, 2096, 2227, 2482, 2620, 2920, 4454, 4964, 5240, 5840, 6205, 8908, 9563, 9928, 10480, 11135, 12410, 17816, 19126, 19856, 22270, 24820, 35632, 38252, 44540, 47815, 49640, 76504, 89080, 95630, 99280, 153008, 162571, 178160, 191260, 325142, 382520, 650284, 765040, 812855, 1300568, 1625710, 2601136, 3251420, 6502840, 13005680]

約数ペア:

[(1, 13005680), (2, 6502840), (4, 3251420), (5, 2601136), (8, 1625710), (10, 1300568), (16, 812855), (17, 765040), (20, 650284), (34, 382520), (40, 325142), (68, 191260), (73, 178160), (80, 162571), (85, 153008), (131, 99280), (136, 95630), (146, 89080), (170, 76504), (262, 49640), (272, 47815), (292, 44540), (340, 38252), (365, 35632), (524, 24820), (584, 22270), (655, 19856), (680, 19126), (730, 17816), (1048, 12410), (1168, 11135), (1241, 10480), (1310, 9928), (1360, 9563), (1460, 8908), (2096, 6205), (2227, 5840), (2482, 5240), (2620, 4964), (2920, 4454)]