200045170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49639}}^1$

素因数の和:49690

約数の個数: 32

約数和(自身を含む): 400296960

約数和(自身を除く): 200251790

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 49639, 99278, 248195, 496390, 645307, 1290614, 1538809, 3077618, 3226535, 6453070, 7694045, 15388090, 20004517, 40009034, 100022585, 200045170]

約数ペア:

[(1, 200045170), (2, 100022585), (5, 40009034), (10, 20004517), (13, 15388090), (26, 7694045), (31, 6453070), (62, 3226535), (65, 3077618), (130, 1538809), (155, 1290614), (310, 645307), (403, 496390), (806, 248195), (2015, 99278), (4030, 49639)]