66791980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6337}}^1$

素因数の和:6394

約数の個数: 48

約数和(自身を含む): 153328896

約数和(自身を除く): 86536916

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 6337, 10540, 12674, 25348, 31685, 63370, 107729, 126740, 196447, 215458, 392894, 430916, 538645, 785788, 982235, 1077290, 1964470, 2154580, 3339599, 3928940, 6679198, 13358396, 16697995, 33395990, 66791980]

約数ペア:

[(1, 66791980), (2, 33395990), (4, 16697995), (5, 13358396), (10, 6679198), (17, 3928940), (20, 3339599), (31, 2154580), (34, 1964470), (62, 1077290), (68, 982235), (85, 785788), (124, 538645), (155, 430916), (170, 392894), (310, 215458), (340, 196447), (527, 126740), (620, 107729), (1054, 63370), (2108, 31685), (2635, 25348), (5270, 12674), (6337, 10540)]