80536960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17977}}^1$

素因数の和:18003

約数の個数: 64

約数和(自身を含む): 220050720

約数和(自身を除く): 139513760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17977, 35954, 71908, 89885, 125839, 143816, 179770, 251678, 287632, 359540, 503356, 575264, 629195, 719080, 1006712, 1150528, 1258390, 1438160, 2013424, 2301056, 2516780, 2876320, 4026848, 5033560, 5752640, 8053696, 10067120, 11505280, 16107392, 20134240, 40268480, 80536960]

約数ペア:

[(1, 80536960), (2, 40268480), (4, 20134240), (5, 16107392), (7, 11505280), (8, 10067120), (10, 8053696), (14, 5752640), (16, 5033560), (20, 4026848), (28, 2876320), (32, 2516780), (35, 2301056), (40, 2013424), (56, 1438160), (64, 1258390), (70, 1150528), (80, 1006712), (112, 719080), (128, 629195), (140, 575264), (160, 503356), (224, 359540), (280, 287632), (320, 251678), (448, 179770), (560, 143816), (640, 125839), (896, 89885), (1120, 71908), (2240, 35954), (4480, 17977)]