9890800

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:410

約数の個数: 60

約数和(自身を含む): 24140320

約数和(自身を除く): 14249520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 313, 316, 395, 400, 626, 632, 790, 1252, 1264, 1565, 1580, 1975, 2504, 3130, 3160, 3950, 5008, 6260, 6320, 7825, 7900, 12520, 15650, 15800, 24727, 25040, 31300, 31600, 49454, 62600, 98908, 123635, 125200, 197816, 247270, 395632, 494540, 618175, 989080, 1236350, 1978160, 2472700, 4945400, 9890800]

約数ペア:

[(1, 9890800), (2, 4945400), (4, 2472700), (5, 1978160), (8, 1236350), (10, 989080), (16, 618175), (20, 494540), (25, 395632), (40, 247270), (50, 197816), (79, 125200), (80, 123635), (100, 98908), (158, 62600), (200, 49454), (313, 31600), (316, 31300), (395, 25040), (400, 24727), (626, 15800), (632, 15650), (790, 12520), (1252, 7900), (1264, 7825), (1565, 6320), (1580, 6260), (1975, 5008), (2504, 3950), (3130, 3160)]