123036520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99223}}^1$

素因数の和:99265

約数の個数: 32

約数和(自身を含む): 285765120

約数和(自身を除く): 162728600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 99223, 198446, 396892, 496115, 793784, 992230, 1984460, 3075913, 3968920, 6151826, 12303652, 15379565, 24607304, 30759130, 61518260, 123036520]

約数ペア:

[(1, 123036520), (2, 61518260), (4, 30759130), (5, 24607304), (8, 15379565), (10, 12303652), (20, 6151826), (31, 3968920), (40, 3075913), (62, 1984460), (124, 992230), (155, 793784), (248, 496115), (310, 396892), (620, 198446), (1240, 99223)]