47201920

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 113905440

約数和(自身を除く): 66703520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 563, 640, 655, 1048, 1126, 1310, 2096, 2252, 2620, 2815, 4192, 4504, 5240, 5630, 8384, 9008, 10480, 11260, 16768, 18016, 20960, 22520, 36032, 41920, 45040, 72064, 73753, 83840, 90080, 147506, 180160, 295012, 360320, 368765, 590024, 737530, 1180048, 1475060, 2360096, 2950120, 4720192, 5900240, 9440384, 11800480, 23600960, 47201920]

約数ペア:

[(1, 47201920), (2, 23600960), (4, 11800480), (5, 9440384), (8, 5900240), (10, 4720192), (16, 2950120), (20, 2360096), (32, 1475060), (40, 1180048), (64, 737530), (80, 590024), (128, 368765), (131, 360320), (160, 295012), (262, 180160), (320, 147506), (524, 90080), (563, 83840), (640, 73753), (655, 72064), (1048, 45040), (1126, 41920), (1310, 36032), (2096, 22520), (2252, 20960), (2620, 18016), (2815, 16768), (4192, 11260), (4504, 10480), (5240, 9008), (5630, 8384)]