27887920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7417}}^1$

素因数の和:7477

約数の個数: 40

約数和(自身を含む): 66227904

約数和(自身を除く): 38339984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 7417, 14834, 29668, 37085, 59336, 74170, 118672, 148340, 296680, 348599, 593360, 697198, 1394396, 1742995, 2788792, 3485990, 5577584, 6971980, 13943960, 27887920]

約数ペア:

[(1, 27887920), (2, 13943960), (4, 6971980), (5, 5577584), (8, 3485990), (10, 2788792), (16, 1742995), (20, 1394396), (40, 697198), (47, 593360), (80, 348599), (94, 296680), (188, 148340), (235, 118672), (376, 74170), (470, 59336), (752, 37085), (940, 29668), (1880, 14834), (3760, 7417)]