636294100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{489457}}^1$

素因数の和:489484

約数の個数: 36

約数和(自身を含む): 1486973404

約数和(自身を除く): 850679304

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 489457, 978914, 1957828, 2447285, 4894570, 6362941, 9789140, 12236425, 12725882, 24472850, 25451764, 31814705, 48945700, 63629410, 127258820, 159073525, 318147050, 636294100]

約数ペア:

[(1, 636294100), (2, 318147050), (4, 159073525), (5, 127258820), (10, 63629410), (13, 48945700), (20, 31814705), (25, 25451764), (26, 24472850), (50, 12725882), (52, 12236425), (65, 9789140), (100, 6362941), (130, 4894570), (260, 2447285), (325, 1957828), (650, 978914), (1300, 489457)]