61210280

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4889}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 138191400

約数和(自身を除く): 76981120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 4889, 6260, 9778, 12520, 19556, 24445, 39112, 48890, 97780, 195560, 1530257, 3060514, 6121028, 7651285, 12242056, 15302570, 30605140, 61210280]

約数ペア:

[(1, 61210280), (2, 30605140), (4, 15302570), (5, 12242056), (8, 7651285), (10, 6121028), (20, 3060514), (40, 1530257), (313, 195560), (626, 97780), (1252, 48890), (1565, 39112), (2504, 24445), (3130, 19556), (4889, 12520), (6260, 9778)]