201804980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776173}}^1$

素因数の和:776195

約数の個数: 24

約数和(自身を含む): 456390312

約数和(自身を除く): 254585332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776173, 1552346, 3104692, 3880865, 7761730, 10090249, 15523460, 20180498, 40360996, 50451245, 100902490, 201804980]

約数ペア:

[(1, 201804980), (2, 100902490), (4, 50451245), (5, 40360996), (10, 20180498), (13, 15523460), (20, 10090249), (26, 7761730), (52, 3880865), (65, 3104692), (130, 1552346), (260, 776173)]