81503440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59929}}^1$

素因数の和:59959

約数の個数: 40

約数和(自身を含む): 200645640

約数和(自身を除く): 119142200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 59929, 119858, 239716, 299645, 479432, 599290, 958864, 1018793, 1198580, 2037586, 2397160, 4075172, 4794320, 5093965, 8150344, 10187930, 16300688, 20375860, 40751720, 81503440]

約数ペア:

[(1, 81503440), (2, 40751720), (4, 20375860), (5, 16300688), (8, 10187930), (10, 8150344), (16, 5093965), (17, 4794320), (20, 4075172), (34, 2397160), (40, 2037586), (68, 1198580), (80, 1018793), (85, 958864), (136, 599290), (170, 479432), (272, 299645), (340, 239716), (680, 119858), (1360, 59929)]