8445020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 18724608

約数和(自身を除く): 10279588

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 257, 265, 310, 514, 530, 620, 1028, 1060, 1285, 1643, 2570, 3286, 5140, 6572, 7967, 8215, 13621, 15934, 16430, 27242, 31868, 32860, 39835, 54484, 68105, 79670, 136210, 159340, 272420, 422251, 844502, 1689004, 2111255, 4222510, 8445020]

約数ペア:

[(1, 8445020), (2, 4222510), (4, 2111255), (5, 1689004), (10, 844502), (20, 422251), (31, 272420), (53, 159340), (62, 136210), (106, 79670), (124, 68105), (155, 54484), (212, 39835), (257, 32860), (265, 31868), (310, 27242), (514, 16430), (530, 15934), (620, 13621), (1028, 8215), (1060, 7967), (1285, 6572), (1643, 5140), (2570, 3286)]