61621180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5231}}^1$

素因数の和:5290

約数の個数: 48

約数和(自身を含む): 140636160

約数和(自身を除く): 79014980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5231, 5890, 10462, 11780, 20924, 26155, 52310, 99389, 104620, 162161, 198778, 324322, 397556, 496945, 648644, 810805, 993890, 1621610, 1987780, 3081059, 3243220, 6162118, 12324236, 15405295, 30810590, 61621180]

約数ペア:

[(1, 61621180), (2, 30810590), (4, 15405295), (5, 12324236), (10, 6162118), (19, 3243220), (20, 3081059), (31, 1987780), (38, 1621610), (62, 993890), (76, 810805), (95, 648644), (124, 496945), (155, 397556), (190, 324322), (310, 198778), (380, 162161), (589, 104620), (620, 99389), (1178, 52310), (2356, 26155), (2945, 20924), (5231, 11780), (5890, 10462)]