12199120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4919}}^1$

素因数の和:4963

約数の個数: 40

約数和(自身を含む): 29283840

約数和(自身を除く): 17084720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4919, 9838, 19676, 24595, 39352, 49190, 78704, 98380, 152489, 196760, 304978, 393520, 609956, 762445, 1219912, 1524890, 2439824, 3049780, 6099560, 12199120]

約数ペア:

[(1, 12199120), (2, 6099560), (4, 3049780), (5, 2439824), (8, 1524890), (10, 1219912), (16, 762445), (20, 609956), (31, 393520), (40, 304978), (62, 196760), (80, 152489), (124, 98380), (155, 78704), (248, 49190), (310, 39352), (496, 24595), (620, 19676), (1240, 9838), (2480, 4919)]