12893440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1439}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 35320320

約数和(自身を除く): 22426880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1439, 1792, 2240, 2878, 4480, 5756, 7195, 8960, 10073, 11512, 14390, 20146, 23024, 28780, 40292, 46048, 50365, 57560, 80584, 92096, 100730, 115120, 161168, 184192, 201460, 230240, 322336, 368384, 402920, 460480, 644672, 805840, 920960, 1289344, 1611680, 1841920, 2578688, 3223360, 6446720, 12893440]

約数ペア:

[(1, 12893440), (2, 6446720), (4, 3223360), (5, 2578688), (7, 1841920), (8, 1611680), (10, 1289344), (14, 920960), (16, 805840), (20, 644672), (28, 460480), (32, 402920), (35, 368384), (40, 322336), (56, 230240), (64, 201460), (70, 184192), (80, 161168), (112, 115120), (128, 100730), (140, 92096), (160, 80584), (224, 57560), (256, 50365), (280, 46048), (320, 40292), (448, 28780), (560, 23024), (640, 20146), (896, 14390), (1120, 11512), (1280, 10073), (1439, 8960), (1792, 7195), (2240, 5756), (2878, 4480)]