15570440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4013}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 35403480

約数和(自身を除く): 19833040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4013, 8026, 16052, 20065, 32104, 40130, 80260, 160520, 389261, 778522, 1557044, 1946305, 3114088, 3892610, 7785220, 15570440]

約数ペア:

[(1, 15570440), (2, 7785220), (4, 3892610), (5, 3114088), (8, 1946305), (10, 1557044), (20, 778522), (40, 389261), (97, 160520), (194, 80260), (388, 40130), (485, 32104), (776, 20065), (970, 16052), (1940, 8026), (3880, 4013)]