51368980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197573}}^1$

素因数の和:197595

約数の個数: 24

約数和(自身を含む): 116173512

約数和(自身を除く): 64804532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197573, 395146, 790292, 987865, 1975730, 2568449, 3951460, 5136898, 10273796, 12842245, 25684490, 51368980]

約数ペア:

[(1, 51368980), (2, 25684490), (4, 12842245), (5, 10273796), (10, 5136898), (13, 3951460), (20, 2568449), (26, 1975730), (52, 987865), (65, 790292), (130, 395146), (260, 197573)]