4945400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 11680800

約数和(自身を除く): 6735400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 313, 316, 395, 626, 632, 790, 1252, 1565, 1580, 1975, 2504, 3130, 3160, 3950, 6260, 7825, 7900, 12520, 15650, 15800, 24727, 31300, 49454, 62600, 98908, 123635, 197816, 247270, 494540, 618175, 989080, 1236350, 2472700, 4945400]

約数ペア:

[(1, 4945400), (2, 2472700), (4, 1236350), (5, 989080), (8, 618175), (10, 494540), (20, 247270), (25, 197816), (40, 123635), (50, 98908), (79, 62600), (100, 49454), (158, 31300), (200, 24727), (313, 15800), (316, 15650), (395, 12520), (626, 7900), (632, 7825), (790, 6260), (1252, 3950), (1565, 3160), (1580, 3130), (1975, 2504)]