61601720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4021}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 139000320

約数和(自身を除く): 77398600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 4021, 7660, 8042, 15320, 16084, 20105, 32168, 40210, 80420, 160840, 1540043, 3080086, 6160172, 7700215, 12320344, 15400430, 30800860, 61601720]

約数ペア:

[(1, 61601720), (2, 30800860), (4, 15400430), (5, 12320344), (8, 7700215), (10, 6160172), (20, 3080086), (40, 1540043), (383, 160840), (766, 80420), (1532, 40210), (1915, 32168), (3064, 20105), (3830, 16084), (4021, 15320), (7660, 8042)]