5405320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7949}}^1$

素因数の和:7977

約数の個数: 32

約数和(自身を含む): 12879000

約数和(自身を除く): 7473680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 7949, 15898, 31796, 39745, 63592, 79490, 135133, 158980, 270266, 317960, 540532, 675665, 1081064, 1351330, 2702660, 5405320]

約数ペア:

[(1, 5405320), (2, 2702660), (4, 1351330), (5, 1081064), (8, 675665), (10, 540532), (17, 317960), (20, 270266), (34, 158980), (40, 135133), (68, 79490), (85, 63592), (136, 39745), (170, 31796), (340, 15898), (680, 7949)]