42102005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40289}}^1$

素因数の和:40324

約数の個数: 16

約数和(自身を含む): 58017600

約数和(自身を除く): 15915595

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 40289, 201445, 443179, 765491, 2215895, 3827455, 8420401, 42102005]

約数ペア:

[(1, 42102005), (5, 8420401), (11, 3827455), (19, 2215895), (55, 765491), (95, 443179), (209, 201445), (1045, 40289)]