101505920

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1015

約数の個数: 64

約数和(自身を含む): 244188000

約数和(自身を除く): 142682080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 797, 995, 1592, 1594, 1990, 3184, 3188, 3980, 3985, 6368, 6376, 7960, 7970, 12736, 12752, 15920, 15940, 25472, 25504, 31840, 31880, 51008, 63680, 63760, 102016, 127360, 127520, 158603, 255040, 317206, 510080, 634412, 793015, 1268824, 1586030, 2537648, 3172060, 5075296, 6344120, 10150592, 12688240, 20301184, 25376480, 50752960, 101505920]

約数ペア:

[(1, 101505920), (2, 50752960), (4, 25376480), (5, 20301184), (8, 12688240), (10, 10150592), (16, 6344120), (20, 5075296), (32, 3172060), (40, 2537648), (64, 1586030), (80, 1268824), (128, 793015), (160, 634412), (199, 510080), (320, 317206), (398, 255040), (640, 158603), (796, 127520), (797, 127360), (995, 102016), (1592, 63760), (1594, 63680), (1990, 51008), (3184, 31880), (3188, 31840), (3980, 25504), (3985, 25472), (6368, 15940), (6376, 15920), (7960, 12752), (7970, 12736)]