127325680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51341}}^1$

素因数の和:51385

約数の個数: 40

約数和(自身を含む): 305587584

約数和(自身を除く): 178261904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 51341, 102682, 205364, 256705, 410728, 513410, 821456, 1026820, 1591571, 2053640, 3183142, 4107280, 6366284, 7957855, 12732568, 15915710, 25465136, 31831420, 63662840, 127325680]

約数ペア:

[(1, 127325680), (2, 63662840), (4, 31831420), (5, 25465136), (8, 15915710), (10, 12732568), (16, 7957855), (20, 6366284), (31, 4107280), (40, 3183142), (62, 2053640), (80, 1591571), (124, 1026820), (155, 821456), (248, 513410), (310, 410728), (496, 256705), (620, 205364), (1240, 102682), (2480, 51341)]