65973880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235621}}^1$

素因数の和:235639

約数の個数: 32

約数和(自身を含む): 169647840

約数和(自身を除く): 103673960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235621, 471242, 942484, 1178105, 1649347, 1884968, 2356210, 3298694, 4712420, 6597388, 8246735, 9424840, 13194776, 16493470, 32986940, 65973880]

約数ペア:

[(1, 65973880), (2, 32986940), (4, 16493470), (5, 13194776), (7, 9424840), (8, 8246735), (10, 6597388), (14, 4712420), (20, 3298694), (28, 2356210), (35, 1884968), (40, 1649347), (56, 1178105), (70, 942484), (140, 471242), (280, 235621)]