28820939240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^2\times {\mathrm{14489}}^1$

素因数の和:14946

約数の個数: 48

約数和(自身を含む): 65143707300

約数和(自身を除く): 36322768060

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 14489, 28978, 49729, 57956, 72445, 99458, 115912, 144890, 198916, 248645, 289780, 397832, 497290, 579560, 994580, 1989160, 3231047, 6462094, 12924188, 16155235, 25848376, 32310470, 64620940, 129241880, 720523481, 1441046962, 2882093924, 3602617405, 5764187848, 7205234810, 14410469620, 28820939240]

約数ペア:

[(1, 28820939240), (2, 14410469620), (4, 7205234810), (5, 5764187848), (8, 3602617405), (10, 2882093924), (20, 1441046962), (40, 720523481), (223, 129241880), (446, 64620940), (892, 32310470), (1115, 25848376), (1784, 16155235), (2230, 12924188), (4460, 6462094), (8920, 3231047), (14489, 1989160), (28978, 994580), (49729, 579560), (57956, 497290), (72445, 397832), (99458, 289780), (115912, 248645), (144890, 198916)]