198500080

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{3413}}^1$

素因数の和:4153

約数の個数: 40

約数和(自身を含む): 462282912

約数和(自身を除く): 263782832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1454, 2908, 3413, 3635, 5816, 6826, 7270, 11632, 13652, 14540, 17065, 27304, 29080, 34130, 54608, 58160, 68260, 136520, 273040, 2481251, 4962502, 9925004, 12406255, 19850008, 24812510, 39700016, 49625020, 99250040, 198500080]

約数ペア:

[(1, 198500080), (2, 99250040), (4, 49625020), (5, 39700016), (8, 24812510), (10, 19850008), (16, 12406255), (20, 9925004), (40, 4962502), (80, 2481251), (727, 273040), (1454, 136520), (2908, 68260), (3413, 58160), (3635, 54608), (5816, 34130), (6826, 29080), (7270, 27304), (11632, 17065), (13652, 14540)]