79705160

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 183783600

約数和(自身を除く): 104078440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 109, 181, 202, 218, 362, 404, 436, 505, 545, 724, 808, 872, 905, 1010, 1090, 1448, 1810, 2020, 2180, 3620, 4040, 4360, 7240, 11009, 18281, 19729, 22018, 36562, 39458, 44036, 55045, 73124, 78916, 88072, 91405, 98645, 110090, 146248, 157832, 182810, 197290, 220180, 365620, 394580, 440360, 731240, 789160, 1992629, 3985258, 7970516, 9963145, 15941032, 19926290, 39852580, 79705160]

約数ペア:

[(1, 79705160), (2, 39852580), (4, 19926290), (5, 15941032), (8, 9963145), (10, 7970516), (20, 3985258), (40, 1992629), (101, 789160), (109, 731240), (181, 440360), (202, 394580), (218, 365620), (362, 220180), (404, 197290), (436, 182810), (505, 157832), (545, 146248), (724, 110090), (808, 98645), (872, 91405), (905, 88072), (1010, 78916), (1090, 73124), (1448, 55045), (1810, 44036), (2020, 39458), (2180, 36562), (3620, 22018), (4040, 19729), (4360, 18281), (7240, 11009)]