25779400

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 60392340

約数和(自身を除く): 34612940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 821, 1256, 1570, 1642, 3140, 3284, 3925, 4105, 6280, 6568, 7850, 8210, 15700, 16420, 20525, 31400, 32840, 41050, 82100, 128897, 164200, 257794, 515588, 644485, 1031176, 1288970, 2577940, 3222425, 5155880, 6444850, 12889700, 25779400]

約数ペア:

[(1, 25779400), (2, 12889700), (4, 6444850), (5, 5155880), (8, 3222425), (10, 2577940), (20, 1288970), (25, 1031176), (40, 644485), (50, 515588), (100, 257794), (157, 164200), (200, 128897), (314, 82100), (628, 41050), (785, 32840), (821, 31400), (1256, 20525), (1570, 16420), (1642, 15700), (3140, 8210), (3284, 7850), (3925, 6568), (4105, 6280)]