9697780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7949}}^1$

素因数の和:8019

約数の個数: 24

約数和(自身を含む): 20701800

約数和(自身を除く): 11004020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 7949, 15898, 31796, 39745, 79490, 158980, 484889, 969778, 1939556, 2424445, 4848890, 9697780]

約数ペア:

[(1, 9697780), (2, 4848890), (4, 2424445), (5, 1939556), (10, 969778), (20, 484889), (61, 158980), (122, 79490), (244, 39745), (305, 31796), (610, 15898), (1220, 7949)]