27380440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 64696320

約数和(自身を除く): 37315880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 311, 355, 568, 620, 622, 710, 1240, 1244, 1420, 1555, 2201, 2488, 2840, 3110, 4402, 6220, 8804, 9641, 11005, 12440, 17608, 19282, 22010, 22081, 38564, 44020, 44162, 48205, 77128, 88040, 88324, 96410, 110405, 176648, 192820, 220810, 385640, 441620, 684511, 883240, 1369022, 2738044, 3422555, 5476088, 6845110, 13690220, 27380440]

約数ペア:

[(1, 27380440), (2, 13690220), (4, 6845110), (5, 5476088), (8, 3422555), (10, 2738044), (20, 1369022), (31, 883240), (40, 684511), (62, 441620), (71, 385640), (124, 220810), (142, 192820), (155, 176648), (248, 110405), (284, 96410), (310, 88324), (311, 88040), (355, 77128), (568, 48205), (620, 44162), (622, 44020), (710, 38564), (1240, 22081), (1244, 22010), (1420, 19282), (1555, 17608), (2201, 12440), (2488, 11005), (2840, 9641), (3110, 8804), (4402, 6220)]