157225900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{120943}}^1$

素因数の和:120970

約数の個数: 36

約数和(自身を含む): 367427872

約数和(自身を除く): 210201972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 120943, 241886, 483772, 604715, 1209430, 1572259, 2418860, 3023575, 3144518, 6047150, 6289036, 7861295, 12094300, 15722590, 31445180, 39306475, 78612950, 157225900]

約数ペア:

[(1, 157225900), (2, 78612950), (4, 39306475), (5, 31445180), (10, 15722590), (13, 12094300), (20, 7861295), (25, 6289036), (26, 6047150), (50, 3144518), (52, 3023575), (65, 2418860), (100, 1572259), (130, 1209430), (260, 604715), (325, 483772), (650, 241886), (1300, 120943)]