54160720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21839}}^1$

素因数の和:21883

約数の個数: 40

約数和(自身を含む): 129991680

約数和(自身を除く): 75830960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21839, 43678, 87356, 109195, 174712, 218390, 349424, 436780, 677009, 873560, 1354018, 1747120, 2708036, 3385045, 5416072, 6770090, 10832144, 13540180, 27080360, 54160720]

約数ペア:

[(1, 54160720), (2, 27080360), (4, 13540180), (5, 10832144), (8, 6770090), (10, 5416072), (16, 3385045), (20, 2708036), (31, 1747120), (40, 1354018), (62, 873560), (80, 677009), (124, 436780), (155, 349424), (248, 218390), (310, 174712), (496, 109195), (620, 87356), (1240, 43678), (2480, 21839)]