28357831280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2207}}^1\times {\mathrm{2633}}^1$

素因数の和:4914

約数の個数: 80

約数和(自身を含む): 67068635904

約数和(自身を除く): 38710804624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2207, 2440, 2633, 4414, 4880, 5266, 8828, 10532, 11035, 13165, 17656, 21064, 22070, 26330, 35312, 42128, 44140, 52660, 88280, 105320, 134627, 160613, 176560, 210640, 269254, 321226, 538508, 642452, 673135, 803065, 1077016, 1284904, 1346270, 1606130, 2154032, 2569808, 2692540, 3212260, 5385080, 5811031, 6424520, 10770160, 11622062, 12849040, 23244124, 29055155, 46488248, 58110310, 92976496, 116220620, 232441240, 354472891, 464882480, 708945782, 1417891564, 1772364455, 2835783128, 3544728910, 5671566256, 7089457820, 14178915640, 28357831280]

約数ペア:

[(1, 28357831280), (2, 14178915640), (4, 7089457820), (5, 5671566256), (8, 3544728910), (10, 2835783128), (16, 1772364455), (20, 1417891564), (40, 708945782), (61, 464882480), (80, 354472891), (122, 232441240), (244, 116220620), (305, 92976496), (488, 58110310), (610, 46488248), (976, 29055155), (1220, 23244124), (2207, 12849040), (2440, 11622062), (2633, 10770160), (4414, 6424520), (4880, 5811031), (5266, 5385080), (8828, 3212260), (10532, 2692540), (11035, 2569808), (13165, 2154032), (17656, 1606130), (21064, 1346270), (22070, 1284904), (26330, 1077016), (35312, 803065), (42128, 673135), (44140, 642452), (52660, 538508), (88280, 321226), (105320, 269254), (134627, 210640), (160613, 176560)]