54780700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{42139}}^1$

素因数の和:42166

約数の個数: 36

約数和(自身を含む): 128021320

約数和(自身を除く): 73240620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 42139, 84278, 168556, 210695, 421390, 547807, 842780, 1053475, 1095614, 2106950, 2191228, 2739035, 4213900, 5478070, 10956140, 13695175, 27390350, 54780700]

約数ペア:

[(1, 54780700), (2, 27390350), (4, 13695175), (5, 10956140), (10, 5478070), (13, 4213900), (20, 2739035), (25, 2191228), (26, 2106950), (50, 1095614), (52, 1053475), (65, 842780), (100, 547807), (130, 421390), (260, 210695), (325, 168556), (650, 84278), (1300, 42139)]