41808640

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 101545920

約数和(自身を除く): 59737280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 367, 445, 640, 712, 734, 890, 1280, 1424, 1468, 1780, 1835, 2848, 2936, 3560, 3670, 5696, 5872, 7120, 7340, 11392, 11744, 14240, 14680, 22784, 23488, 28480, 29360, 32663, 46976, 56960, 58720, 65326, 93952, 113920, 117440, 130652, 163315, 234880, 261304, 326630, 469760, 522608, 653260, 1045216, 1306520, 2090432, 2613040, 4180864, 5226080, 8361728, 10452160, 20904320, 41808640]

約数ペア:

[(1, 41808640), (2, 20904320), (4, 10452160), (5, 8361728), (8, 5226080), (10, 4180864), (16, 2613040), (20, 2090432), (32, 1306520), (40, 1045216), (64, 653260), (80, 522608), (89, 469760), (128, 326630), (160, 261304), (178, 234880), (256, 163315), (320, 130652), (356, 117440), (367, 113920), (445, 93952), (640, 65326), (712, 58720), (734, 56960), (890, 46976), (1280, 32663), (1424, 29360), (1468, 28480), (1780, 23488), (1835, 22784), (2848, 14680), (2936, 14240), (3560, 11744), (3670, 11392), (5696, 7340), (5872, 7120)]