788364020

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{163561}}^1$

素因数の和:163811

約数の個数: 24

約数和(自身を含む): 1662444168

約数和(自身を除く): 874080148

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 163561, 327122, 654244, 817805, 1635610, 3271220, 39418201, 78836402, 157672804, 197091005, 394182010, 788364020]

約数ペア:

[(1, 788364020), (2, 394182010), (4, 197091005), (5, 157672804), (10, 78836402), (20, 39418201), (241, 3271220), (482, 1635610), (964, 817805), (1205, 654244), (2410, 327122), (4820, 163561)]