47646820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 108260208

約数和(自身を除く): 60613388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 457, 802, 914, 1604, 1828, 2005, 2285, 4010, 4570, 5213, 5941, 8020, 9140, 10426, 11882, 20852, 23764, 26065, 29705, 52130, 59410, 104260, 118820, 183257, 366514, 733028, 916285, 1832570, 2382341, 3665140, 4764682, 9529364, 11911705, 23823410, 47646820]

約数ペア:

[(1, 47646820), (2, 23823410), (4, 11911705), (5, 9529364), (10, 4764682), (13, 3665140), (20, 2382341), (26, 1832570), (52, 916285), (65, 733028), (130, 366514), (260, 183257), (401, 118820), (457, 104260), (802, 59410), (914, 52130), (1604, 29705), (1828, 26065), (2005, 23764), (2285, 20852), (4010, 11882), (4570, 10426), (5213, 9140), (5941, 8020)]