25131210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64439}}^1$

素因数の和:64462

約数の個数: 32

約数和(自身を含む): 64955520

約数和(自身を除く): 39824310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64439, 128878, 193317, 322195, 386634, 644390, 837707, 966585, 1675414, 1933170, 2513121, 4188535, 5026242, 8377070, 12565605, 25131210]

約数ペア:

[(1, 25131210), (2, 12565605), (3, 8377070), (5, 5026242), (6, 4188535), (10, 2513121), (13, 1933170), (15, 1675414), (26, 966585), (30, 837707), (39, 644390), (65, 386634), (78, 322195), (130, 193317), (195, 128878), (390, 64439)]