42472580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 48973180

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 223, 356, 428, 445, 446, 535, 890, 892, 1070, 1115, 1780, 2140, 2230, 4460, 9523, 19046, 19847, 23861, 38092, 39694, 47615, 47722, 79388, 95230, 95444, 99235, 119305, 190460, 198470, 238610, 396940, 477220, 2123629, 4247258, 8494516, 10618145, 21236290, 42472580]

約数ペア:

[(1, 42472580), (2, 21236290), (4, 10618145), (5, 8494516), (10, 4247258), (20, 2123629), (89, 477220), (107, 396940), (178, 238610), (214, 198470), (223, 190460), (356, 119305), (428, 99235), (445, 95444), (446, 95230), (535, 79388), (890, 47722), (892, 47615), (1070, 39694), (1115, 38092), (1780, 23861), (2140, 19847), (2230, 19046), (4460, 9523)]