2007397720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{18269}}^1$

素因数の和:18388

約数の個数: 64

約数和(自身を含む): 4696120800

約数和(自身を除く): 2688723080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 10988, 13735, 18269, 21976, 27470, 36538, 54940, 73076, 91345, 109880, 146152, 182690, 365380, 730760, 749029, 1224023, 1498058, 2448046, 2996116, 3745145, 4896092, 5992232, 6120115, 7490290, 9792184, 12240230, 14980580, 24480460, 29961160, 48960920, 50184943, 100369886, 200739772, 250924715, 401479544, 501849430, 1003698860, 2007397720]

約数ペア:

[(1, 2007397720), (2, 1003698860), (4, 501849430), (5, 401479544), (8, 250924715), (10, 200739772), (20, 100369886), (40, 50184943), (41, 48960920), (67, 29961160), (82, 24480460), (134, 14980580), (164, 12240230), (205, 9792184), (268, 7490290), (328, 6120115), (335, 5992232), (410, 4896092), (536, 3745145), (670, 2996116), (820, 2448046), (1340, 1498058), (1640, 1224023), (2680, 749029), (2747, 730760), (5494, 365380), (10988, 182690), (13735, 146152), (18269, 109880), (21976, 91345), (27470, 73076), (36538, 54940)]