445120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:137

約数の個数: 56

約数和(自身を含む): 1152144

約数和(自身を除く): 707024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 130, 160, 208, 214, 260, 320, 416, 428, 520, 535, 832, 856, 1040, 1070, 1391, 1712, 2080, 2140, 2782, 3424, 4160, 4280, 5564, 6848, 6955, 8560, 11128, 13910, 17120, 22256, 27820, 34240, 44512, 55640, 89024, 111280, 222560, 445120]

約数ペア:

[(1, 445120), (2, 222560), (4, 111280), (5, 89024), (8, 55640), (10, 44512), (13, 34240), (16, 27820), (20, 22256), (26, 17120), (32, 13910), (40, 11128), (52, 8560), (64, 6955), (65, 6848), (80, 5564), (104, 4280), (107, 4160), (130, 3424), (160, 2782), (208, 2140), (214, 2080), (260, 1712), (320, 1391), (416, 1070), (428, 1040), (520, 856), (535, 832)]