80491976780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5669}}^1\times {\mathrm{22901}}^1$

素因数の和:28610

約数の個数: 48

約数和(自身を含む): 174524232960

約数和(自身を除く): 94032256180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 5669, 11338, 22676, 22901, 28345, 45802, 56690, 91604, 113380, 114505, 175739, 229010, 351478, 458020, 702956, 709931, 878695, 1419862, 1757390, 2839724, 3514780, 3549655, 7099310, 14198620, 129825769, 259651538, 519303076, 649128845, 1298257690, 2596515380, 4024598839, 8049197678, 16098395356, 20122994195, 40245988390, 80491976780]

約数ペア:

[(1, 80491976780), (2, 40245988390), (4, 20122994195), (5, 16098395356), (10, 8049197678), (20, 4024598839), (31, 2596515380), (62, 1298257690), (124, 649128845), (155, 519303076), (310, 259651538), (620, 129825769), (5669, 14198620), (11338, 7099310), (22676, 3549655), (22901, 3514780), (28345, 2839724), (45802, 1757390), (56690, 1419862), (91604, 878695), (113380, 709931), (114505, 702956), (175739, 458020), (229010, 351478)]