26646425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 35872704

約数和(自身を除く): 9226279

約数列:

[1, 5, 13, 25, 65, 163, 325, 503, 815, 2119, 2515, 4075, 6539, 10595, 12575, 32695, 52975, 81989, 163475, 409945, 1065857, 2049725, 5329285, 26646425]

約数ペア:

[(1, 26646425), (5, 5329285), (13, 2049725), (25, 1065857), (65, 409945), (163, 163475), (325, 81989), (503, 52975), (815, 32695), (2119, 12575), (2515, 10595), (4075, 6539)]