79868720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58727}}^1$

素因数の和:58757

約数の個数: 40

約数和(自身を含む): 196621344

約数和(自身を除く): 116752624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 58727, 117454, 234908, 293635, 469816, 587270, 939632, 998359, 1174540, 1996718, 2349080, 3993436, 4698160, 4991795, 7986872, 9983590, 15973744, 19967180, 39934360, 79868720]

約数ペア:

[(1, 79868720), (2, 39934360), (4, 19967180), (5, 15973744), (8, 9983590), (10, 7986872), (16, 4991795), (17, 4698160), (20, 3993436), (34, 2349080), (40, 1996718), (68, 1174540), (80, 998359), (85, 939632), (136, 587270), (170, 469816), (272, 293635), (340, 234908), (680, 117454), (1360, 58727)]