47451820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 109756080

約数和(自身を除く): 62304260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 139, 169, 202, 260, 278, 338, 404, 505, 556, 676, 695, 845, 1010, 1313, 1390, 1690, 1807, 2020, 2626, 2780, 3380, 3614, 5252, 6565, 7228, 9035, 13130, 14039, 17069, 18070, 23491, 26260, 28078, 34138, 36140, 46982, 56156, 68276, 70195, 85345, 93964, 117455, 140390, 170690, 182507, 234910, 280780, 341380, 365014, 469820, 730028, 912535, 1825070, 2372591, 3650140, 4745182, 9490364, 11862955, 23725910, 47451820]

約数ペア:

[(1, 47451820), (2, 23725910), (4, 11862955), (5, 9490364), (10, 4745182), (13, 3650140), (20, 2372591), (26, 1825070), (52, 912535), (65, 730028), (101, 469820), (130, 365014), (139, 341380), (169, 280780), (202, 234910), (260, 182507), (278, 170690), (338, 140390), (404, 117455), (505, 93964), (556, 85345), (676, 70195), (695, 68276), (845, 56156), (1010, 46982), (1313, 36140), (1390, 34138), (1690, 28078), (1807, 26260), (2020, 23491), (2626, 18070), (2780, 17069), (3380, 14039), (3614, 13130), (5252, 9035), (6565, 7228)]