20211002480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{212479}}^1$

素因数の和:212562

約数の個数: 80

約数和(自身を含む): 49796812800

約数和(自身を除く): 29585810320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 820, 1160, 1189, 1640, 2320, 2378, 3280, 4756, 5945, 9512, 11890, 19024, 23780, 47560, 95120, 212479, 424958, 849916, 1062395, 1699832, 2124790, 3399664, 4249580, 6161891, 8499160, 8711639, 12323782, 16998320, 17423278, 24647564, 30809455, 34846556, 43558195, 49295128, 61618910, 69693112, 87116390, 98590256, 123237820, 139386224, 174232780, 246475640, 252637531, 348465560, 492951280, 505275062, 696931120, 1010550124, 1263187655, 2021100248, 2526375310, 4042200496, 5052750620, 10105501240, 20211002480]

約数ペア:

[(1, 20211002480), (2, 10105501240), (4, 5052750620), (5, 4042200496), (8, 2526375310), (10, 2021100248), (16, 1263187655), (20, 1010550124), (29, 696931120), (40, 505275062), (41, 492951280), (58, 348465560), (80, 252637531), (82, 246475640), (116, 174232780), (145, 139386224), (164, 123237820), (205, 98590256), (232, 87116390), (290, 69693112), (328, 61618910), (410, 49295128), (464, 43558195), (580, 34846556), (656, 30809455), (820, 24647564), (1160, 17423278), (1189, 16998320), (1640, 12323782), (2320, 8711639), (2378, 8499160), (3280, 6161891), (4756, 4249580), (5945, 3399664), (9512, 2124790), (11890, 1699832), (19024, 1062395), (23780, 849916), (47560, 424958), (95120, 212479)]