13041920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 32671296

約数和(自身を除く): 19629376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 443, 460, 640, 736, 886, 920, 1280, 1472, 1772, 1840, 2215, 2944, 3544, 3680, 4430, 5888, 7088, 7360, 8860, 10189, 14176, 14720, 17720, 20378, 28352, 29440, 35440, 40756, 50945, 56704, 70880, 81512, 101890, 113408, 141760, 163024, 203780, 283520, 326048, 407560, 567040, 652096, 815120, 1304192, 1630240, 2608384, 3260480, 6520960, 13041920]

約数ペア:

[(1, 13041920), (2, 6520960), (4, 3260480), (5, 2608384), (8, 1630240), (10, 1304192), (16, 815120), (20, 652096), (23, 567040), (32, 407560), (40, 326048), (46, 283520), (64, 203780), (80, 163024), (92, 141760), (115, 113408), (128, 101890), (160, 81512), (184, 70880), (230, 56704), (256, 50945), (320, 40756), (368, 35440), (443, 29440), (460, 28352), (640, 20378), (736, 17720), (886, 14720), (920, 14176), (1280, 10189), (1472, 8860), (1772, 7360), (1840, 7088), (2215, 5888), (2944, 4430), (3544, 3680)]