28598320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8719}}^1$

素因数の和:8773

約数の個数: 40

約数和(自身を含む): 68120640

約数和(自身を除く): 39522320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8719, 17438, 34876, 43595, 69752, 87190, 139504, 174380, 348760, 357479, 697520, 714958, 1429916, 1787395, 2859832, 3574790, 5719664, 7149580, 14299160, 28598320]

約数ペア:

[(1, 28598320), (2, 14299160), (4, 7149580), (5, 5719664), (8, 3574790), (10, 2859832), (16, 1787395), (20, 1429916), (40, 714958), (41, 697520), (80, 357479), (82, 348760), (164, 174380), (205, 139504), (328, 87190), (410, 69752), (656, 43595), (820, 34876), (1640, 17438), (3280, 8719)]