128792600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20773}}^1$

素因数の和:20820

約数の個数: 48

約数和(自身を含む): 309117120

約数和(自身を除く): 180324520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 20773, 41546, 83092, 103865, 166184, 207730, 415460, 519325, 643963, 830920, 1038650, 1287926, 2077300, 2575852, 3219815, 4154600, 5151704, 6439630, 12879260, 16099075, 25758520, 32198150, 64396300, 128792600]

約数ペア:

[(1, 128792600), (2, 64396300), (4, 32198150), (5, 25758520), (8, 16099075), (10, 12879260), (20, 6439630), (25, 5151704), (31, 4154600), (40, 3219815), (50, 2575852), (62, 2077300), (100, 1287926), (124, 1038650), (155, 830920), (200, 643963), (248, 519325), (310, 415460), (620, 207730), (775, 166184), (1240, 103865), (1550, 83092), (3100, 41546), (6200, 20773)]