2728666880

素因数分解:

$2^8\times 5^1\times {\mathrm{2131771}}^1$

素因数の和:2131792

約数の個数: 36

約数和(自身を含む): 6536012952

約数和(自身を除く): 3807346072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2131771, 4263542, 8527084, 10658855, 17054168, 21317710, 34108336, 42635420, 68216672, 85270840, 136433344, 170541680, 272866688, 341083360, 545733376, 682166720, 1364333440, 2728666880]

約数ペア:

[(1, 2728666880), (2, 1364333440), (4, 682166720), (5, 545733376), (8, 341083360), (10, 272866688), (16, 170541680), (20, 136433344), (32, 85270840), (40, 68216672), (64, 42635420), (80, 34108336), (128, 21317710), (160, 17054168), (256, 10658855), (320, 8527084), (640, 4263542), (1280, 2131771)]