72792850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2113}}^1$

素因数の和:2191

約数の個数: 48

約数和(自身を含む): 148631112

約数和(自身を除く): 75838262

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 2113, 2650, 3445, 4226, 6890, 10565, 17225, 21130, 27469, 34450, 52825, 54938, 105650, 111989, 137345, 223978, 274690, 559945, 686725, 1119890, 1373450, 1455857, 2799725, 2911714, 5599450, 7279285, 14558570, 36396425, 72792850]

約数ペア:

[(1, 72792850), (2, 36396425), (5, 14558570), (10, 7279285), (13, 5599450), (25, 2911714), (26, 2799725), (50, 1455857), (53, 1373450), (65, 1119890), (106, 686725), (130, 559945), (265, 274690), (325, 223978), (530, 137345), (650, 111989), (689, 105650), (1325, 54938), (1378, 52825), (2113, 34450), (2650, 27469), (3445, 21130), (4226, 17225), (6890, 10565)]