25288775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 33502320

約数和(自身を除く): 8213545

約数列:

[1, 5, 17, 25, 85, 157, 379, 425, 785, 1895, 2669, 3925, 6443, 9475, 13345, 32215, 59503, 66725, 161075, 297515, 1011551, 1487575, 5057755, 25288775]

約数ペア:

[(1, 25288775), (5, 5057755), (17, 1487575), (25, 1011551), (85, 297515), (157, 161075), (379, 66725), (425, 59503), (785, 32215), (1895, 13345), (2669, 9475), (3925, 6443)]