87804925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 123131008

約数和(自身を除く): 35326083

約数列:

[1, 5, 13, 25, 43, 61, 65, 103, 215, 305, 325, 515, 559, 793, 1075, 1339, 1525, 2575, 2623, 2795, 3965, 4429, 6283, 6695, 13115, 13975, 19825, 22145, 31415, 33475, 34099, 57577, 65575, 81679, 110725, 157075, 170495, 270169, 287885, 408395, 852475, 1350845, 1439425, 2041975, 3512197, 6754225, 17560985, 87804925]

約数ペア:

[(1, 87804925), (5, 17560985), (13, 6754225), (25, 3512197), (43, 2041975), (61, 1439425), (65, 1350845), (103, 852475), (215, 408395), (305, 287885), (325, 270169), (515, 170495), (559, 157075), (793, 110725), (1075, 81679), (1339, 65575), (1525, 57577), (2575, 34099), (2623, 33475), (2795, 31415), (3965, 22145), (4429, 19825), (6283, 13975), (6695, 13115)]