1296186400

素因数分解:

$2^5\times 5^2\times {\mathrm{1620233}}^1$

素因数の和:1620253

約数の個数: 36

約数和(自身を含む): 3164317002

約数和(自身を除く): 1868130602

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1620233, 3240466, 6480932, 8101165, 12961864, 16202330, 25923728, 32404660, 40505825, 51847456, 64809320, 81011650, 129618640, 162023300, 259237280, 324046600, 648093200, 1296186400]

約数ペア:

[(1, 1296186400), (2, 648093200), (4, 324046600), (5, 259237280), (8, 162023300), (10, 129618640), (16, 81011650), (20, 64809320), (25, 51847456), (32, 40505825), (40, 32404660), (50, 25923728), (80, 16202330), (100, 12961864), (160, 8101165), (200, 6480932), (400, 3240466), (800, 1620233)]