8001100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 18748800

約数和(自身を除く): 10747700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 89, 100, 116, 124, 145, 155, 178, 290, 310, 356, 445, 580, 620, 725, 775, 890, 899, 1450, 1550, 1780, 1798, 2225, 2581, 2759, 2900, 3100, 3596, 4450, 4495, 5162, 5518, 8900, 8990, 10324, 11036, 12905, 13795, 17980, 22475, 25810, 27590, 44950, 51620, 55180, 64525, 68975, 80011, 89900, 129050, 137950, 160022, 258100, 275900, 320044, 400055, 800110, 1600220, 2000275, 4000550, 8001100]

約数ペア:

[(1, 8001100), (2, 4000550), (4, 2000275), (5, 1600220), (10, 800110), (20, 400055), (25, 320044), (29, 275900), (31, 258100), (50, 160022), (58, 137950), (62, 129050), (89, 89900), (100, 80011), (116, 68975), (124, 64525), (145, 55180), (155, 51620), (178, 44950), (290, 27590), (310, 25810), (356, 22475), (445, 17980), (580, 13795), (620, 12905), (725, 11036), (775, 10324), (890, 8990), (899, 8900), (1450, 5518), (1550, 5162), (1780, 4495), (1798, 4450), (2225, 3596), (2581, 3100), (2759, 2900)]