40513920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{21101}}^1$

素因数の和:21123

約数の個数: 64

約数和(自身を含む): 129144240

約数和(自身を除く): 88630320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 21101, 42202, 63303, 84404, 105505, 126606, 168808, 211010, 253212, 316515, 337616, 422020, 506424, 633030, 675232, 844040, 1012848, 1266060, 1350464, 1688080, 2025696, 2532120, 2700928, 3376160, 4051392, 5064240, 6752320, 8102784, 10128480, 13504640, 20256960, 40513920]

約数ペア:

[(1, 40513920), (2, 20256960), (3, 13504640), (4, 10128480), (5, 8102784), (6, 6752320), (8, 5064240), (10, 4051392), (12, 3376160), (15, 2700928), (16, 2532120), (20, 2025696), (24, 1688080), (30, 1350464), (32, 1266060), (40, 1012848), (48, 844040), (60, 675232), (64, 633030), (80, 506424), (96, 422020), (120, 337616), (128, 316515), (160, 253212), (192, 211010), (240, 168808), (320, 126606), (384, 105505), (480, 84404), (640, 63303), (960, 42202), (1920, 21101)]