61385740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1031}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 139567680

約数和(自身を除く): 78181940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1031, 1145, 2062, 2290, 2977, 4124, 4580, 5155, 5954, 10310, 11908, 13403, 14885, 20620, 26806, 29770, 53612, 59540, 67015, 134030, 236099, 268060, 472198, 944396, 1180495, 2360990, 3069287, 4721980, 6138574, 12277148, 15346435, 30692870, 61385740]

約数ペア:

[(1, 61385740), (2, 30692870), (4, 15346435), (5, 12277148), (10, 6138574), (13, 4721980), (20, 3069287), (26, 2360990), (52, 1180495), (65, 944396), (130, 472198), (229, 268060), (260, 236099), (458, 134030), (916, 67015), (1031, 59540), (1145, 53612), (2062, 29770), (2290, 26806), (2977, 20620), (4124, 14885), (4580, 13403), (5155, 11908), (5954, 10310)]