982945520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{396349}}^1$

素因数の和:396393

約数の個数: 40

約数和(自身を含む): 2359075200

約数和(自身を除く): 1376129680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 396349, 792698, 1585396, 1981745, 3170792, 3963490, 6341584, 7926980, 12286819, 15853960, 24573638, 31707920, 49147276, 61434095, 98294552, 122868190, 196589104, 245736380, 491472760, 982945520]

約数ペア:

[(1, 982945520), (2, 491472760), (4, 245736380), (5, 196589104), (8, 122868190), (10, 98294552), (16, 61434095), (20, 49147276), (31, 31707920), (40, 24573638), (62, 15853960), (80, 12286819), (124, 7926980), (155, 6341584), (248, 3963490), (310, 3170792), (496, 1981745), (620, 1585396), (1240, 792698), (2480, 396349)]