100204400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8081}}^1$

素因数の和:8130

約数の個数: 60

約数和(自身を含む): 248537664

約数和(自身を除く): 148333264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 8081, 12400, 16162, 32324, 40405, 64648, 80810, 129296, 161620, 202025, 250511, 323240, 404050, 501022, 646480, 808100, 1002044, 1252555, 1616200, 2004088, 2505110, 3232400, 4008176, 5010220, 6262775, 10020440, 12525550, 20040880, 25051100, 50102200, 100204400]

約数ペア:

[(1, 100204400), (2, 50102200), (4, 25051100), (5, 20040880), (8, 12525550), (10, 10020440), (16, 6262775), (20, 5010220), (25, 4008176), (31, 3232400), (40, 2505110), (50, 2004088), (62, 1616200), (80, 1252555), (100, 1002044), (124, 808100), (155, 646480), (200, 501022), (248, 404050), (310, 323240), (400, 250511), (496, 202025), (620, 161620), (775, 129296), (1240, 80810), (1550, 64648), (2480, 40405), (3100, 32324), (6200, 16162), (8081, 12400)]