25420260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2129}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 71568000

約数和(自身を除く): 46147740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2129, 2388, 2985, 3980, 4258, 5970, 6387, 8516, 10645, 11940, 12774, 21290, 25548, 31935, 42580, 63870, 127740, 423671, 847342, 1271013, 1694684, 2118355, 2542026, 4236710, 5084052, 6355065, 8473420, 12710130, 25420260]

約数ペア:

[(1, 25420260), (2, 12710130), (3, 8473420), (4, 6355065), (5, 5084052), (6, 4236710), (10, 2542026), (12, 2118355), (15, 1694684), (20, 1271013), (30, 847342), (60, 423671), (199, 127740), (398, 63870), (597, 42580), (796, 31935), (995, 25548), (1194, 21290), (1990, 12774), (2129, 11940), (2388, 10645), (2985, 8516), (3980, 6387), (4258, 5970)]