9998826920

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{541}}^1\times {\mathrm{1259}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 22618310400

約数和(自身を除く): 12619483480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 541, 734, 1082, 1259, 1468, 1835, 2164, 2518, 2705, 2936, 3670, 4328, 5036, 5410, 6295, 7340, 10072, 10820, 12590, 14680, 21640, 25180, 50360, 198547, 397094, 462053, 681119, 794188, 924106, 992735, 1362238, 1588376, 1848212, 1985470, 2310265, 2724476, 3405595, 3696424, 3970940, 4620530, 5448952, 6811190, 7941880, 9241060, 13622380, 18482120, 27244760, 249970673, 499941346, 999882692, 1249853365, 1999765384, 2499706730, 4999413460, 9998826920]

約数ペア:

[(1, 9998826920), (2, 4999413460), (4, 2499706730), (5, 1999765384), (8, 1249853365), (10, 999882692), (20, 499941346), (40, 249970673), (367, 27244760), (541, 18482120), (734, 13622380), (1082, 9241060), (1259, 7941880), (1468, 6811190), (1835, 5448952), (2164, 4620530), (2518, 3970940), (2705, 3696424), (2936, 3405595), (3670, 2724476), (4328, 2310265), (5036, 1985470), (5410, 1848212), (6295, 1588376), (7340, 1362238), (10072, 992735), (10820, 924106), (12590, 794188), (14680, 681119), (21640, 462053), (25180, 397094), (50360, 198547)]