25664275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 14958125

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 145, 175, 203, 325, 377, 389, 455, 725, 1015, 1885, 1945, 2275, 2639, 2723, 5057, 5075, 9425, 9725, 11281, 13195, 13615, 25285, 35399, 56405, 65975, 68075, 78967, 126425, 146653, 176995, 282025, 394835, 733265, 884975, 1026571, 1974175, 3666325, 5132855, 25664275]

約数ペア:

[(1, 25664275), (5, 5132855), (7, 3666325), (13, 1974175), (25, 1026571), (29, 884975), (35, 733265), (65, 394835), (91, 282025), (145, 176995), (175, 146653), (203, 126425), (325, 78967), (377, 68075), (389, 65975), (455, 56405), (725, 35399), (1015, 25285), (1885, 13615), (1945, 13195), (2275, 11281), (2639, 9725), (2723, 9425), (5057, 5075)]