64911875

素因数分解:

$5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 95444448

約数和(自身を除く): 30532573

約数列:

[1, 5, 7, 25, 35, 37, 125, 175, 185, 259, 401, 625, 875, 925, 1295, 2005, 2807, 4375, 4625, 6475, 10025, 14035, 14837, 23125, 32375, 50125, 70175, 74185, 103859, 161875, 250625, 350875, 370925, 519295, 1754375, 1854625, 2596475, 9273125, 12982375, 64911875]

約数ペア:

[(1, 64911875), (5, 12982375), (7, 9273125), (25, 2596475), (35, 1854625), (37, 1754375), (125, 519295), (175, 370925), (185, 350875), (259, 250625), (401, 161875), (625, 103859), (875, 74185), (925, 70175), (1295, 50125), (2005, 32375), (2807, 23125), (4375, 14837), (4625, 14035), (6475, 10025)]