100620640

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2447}}^1$

素因数の和:2719

約数の個数: 48

約数和(自身を含む): 238738752

約数和(自身を除く): 138118112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2447, 2570, 4112, 4894, 5140, 8224, 9788, 10280, 12235, 19576, 20560, 24470, 39152, 41120, 48940, 78304, 97880, 195760, 391520, 628879, 1257758, 2515516, 3144395, 5031032, 6288790, 10062064, 12577580, 20124128, 25155160, 50310320, 100620640]

約数ペア:

[(1, 100620640), (2, 50310320), (4, 25155160), (5, 20124128), (8, 12577580), (10, 10062064), (16, 6288790), (20, 5031032), (32, 3144395), (40, 2515516), (80, 1257758), (160, 628879), (257, 391520), (514, 195760), (1028, 97880), (1285, 78304), (2056, 48940), (2447, 41120), (2570, 39152), (4112, 24470), (4894, 20560), (5140, 19576), (8224, 12235), (9788, 10280)]