40439040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{10531}}^1$

素因数の和:10555

約数の個数: 72

約数和(自身を含む): 129164448

約数和(自身を除く): 88725408

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 10531, 21062, 31593, 42124, 52655, 63186, 84248, 105310, 126372, 157965, 168496, 210620, 252744, 315930, 336992, 421240, 505488, 631860, 673984, 842480, 1010976, 1263720, 1347968, 1684960, 2021952, 2527440, 2695936, 3369920, 4043904, 5054880, 6739840, 8087808, 10109760, 13479680, 20219520, 40439040]

約数ペア:

[(1, 40439040), (2, 20219520), (3, 13479680), (4, 10109760), (5, 8087808), (6, 6739840), (8, 5054880), (10, 4043904), (12, 3369920), (15, 2695936), (16, 2527440), (20, 2021952), (24, 1684960), (30, 1347968), (32, 1263720), (40, 1010976), (48, 842480), (60, 673984), (64, 631860), (80, 505488), (96, 421240), (120, 336992), (128, 315930), (160, 252744), (192, 210620), (240, 168496), (256, 157965), (320, 126372), (384, 105310), (480, 84248), (640, 63186), (768, 52655), (960, 42124), (1280, 31593), (1920, 21062), (3840, 10531)]