28428160

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 69608880

約数和(自身を除く): 41180720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1033, 1376, 1720, 2066, 2752, 3440, 4132, 5165, 5504, 6880, 8264, 10330, 13760, 16528, 20660, 27520, 33056, 41320, 44419, 66112, 82640, 88838, 132224, 165280, 177676, 222095, 330560, 355352, 444190, 661120, 710704, 888380, 1421408, 1776760, 2842816, 3553520, 5685632, 7107040, 14214080, 28428160]

約数ペア:

[(1, 28428160), (2, 14214080), (4, 7107040), (5, 5685632), (8, 3553520), (10, 2842816), (16, 1776760), (20, 1421408), (32, 888380), (40, 710704), (43, 661120), (64, 444190), (80, 355352), (86, 330560), (128, 222095), (160, 177676), (172, 165280), (215, 132224), (320, 88838), (344, 82640), (430, 66112), (640, 44419), (688, 41320), (860, 33056), (1033, 27520), (1376, 20660), (1720, 16528), (2066, 13760), (2752, 10330), (3440, 8264), (4132, 6880), (5165, 5504)]