28410850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 57574440

約数和(自身を除く): 29163590

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 325, 401, 545, 650, 802, 1090, 1417, 2005, 2725, 2834, 4010, 5213, 5450, 7085, 10025, 10426, 14170, 20050, 26065, 35425, 43709, 52130, 70850, 87418, 130325, 218545, 260650, 437090, 568217, 1092725, 1136434, 2185450, 2841085, 5682170, 14205425, 28410850]

約数ペア:

[(1, 28410850), (2, 14205425), (5, 5682170), (10, 2841085), (13, 2185450), (25, 1136434), (26, 1092725), (50, 568217), (65, 437090), (109, 260650), (130, 218545), (218, 130325), (325, 87418), (401, 70850), (545, 52130), (650, 43709), (802, 35425), (1090, 26065), (1417, 20050), (2005, 14170), (2725, 10426), (2834, 10025), (4010, 7085), (5213, 5450)]