800110

素因数分解:

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

素因数の和:156

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 755090

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 89, 145, 155, 178, 290, 310, 445, 890, 899, 1798, 2581, 2759, 4495, 5162, 5518, 8990, 12905, 13795, 25810, 27590, 80011, 160022, 400055, 800110]

約数ペア:

[(1, 800110), (2, 400055), (5, 160022), (10, 80011), (29, 27590), (31, 25810), (58, 13795), (62, 12905), (89, 8990), (145, 5518), (155, 5162), (178, 4495), (290, 2759), (310, 2581), (445, 1798), (890, 899)]