90100480

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 220972752

約数和(自身を除く): 130872272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1637, 1720, 2752, 3274, 3440, 5504, 6548, 6880, 8185, 11008, 13096, 13760, 16370, 26192, 27520, 32740, 52384, 55040, 65480, 70391, 104768, 130960, 140782, 209536, 261920, 281564, 351955, 419072, 523840, 563128, 703910, 1047680, 1126256, 1407820, 2095360, 2252512, 2815640, 4505024, 5631280, 9010048, 11262560, 18020096, 22525120, 45050240, 90100480]

約数ペア:

[(1, 90100480), (2, 45050240), (4, 22525120), (5, 18020096), (8, 11262560), (10, 9010048), (16, 5631280), (20, 4505024), (32, 2815640), (40, 2252512), (43, 2095360), (64, 1407820), (80, 1126256), (86, 1047680), (128, 703910), (160, 563128), (172, 523840), (215, 419072), (256, 351955), (320, 281564), (344, 261920), (430, 209536), (640, 140782), (688, 130960), (860, 104768), (1280, 70391), (1376, 65480), (1637, 55040), (1720, 52384), (2752, 32740), (3274, 27520), (3440, 26192), (5504, 16370), (6548, 13760), (6880, 13096), (8185, 11008)]