51171200

素因数分解:

$2^7\times 5^2\times {\mathrm{15991}}^1$

素因数の和:16015

約数の個数: 48

約数和(自身を含む): 126416760

約数和(自身を除く): 75245560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 15991, 31982, 63964, 79955, 127928, 159910, 255856, 319820, 399775, 511712, 639640, 799550, 1023424, 1279280, 1599100, 2046848, 2558560, 3198200, 5117120, 6396400, 10234240, 12792800, 25585600, 51171200]

約数ペア:

[(1, 51171200), (2, 25585600), (4, 12792800), (5, 10234240), (8, 6396400), (10, 5117120), (16, 3198200), (20, 2558560), (25, 2046848), (32, 1599100), (40, 1279280), (50, 1023424), (64, 799550), (80, 639640), (100, 511712), (128, 399775), (160, 319820), (200, 255856), (320, 159910), (400, 127928), (640, 79955), (800, 63964), (1600, 31982), (3200, 15991)]