2521550120

素因数分解:

$2^3\times 5^1\times {\mathrm{6971}}^1\times {\mathrm{9043}}^1$

素因数の和:16025

約数の個数: 32

約数和(自身を含む): 5674929120

約数和(自身を除く): 3153379000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6971, 9043, 13942, 18086, 27884, 34855, 36172, 45215, 55768, 69710, 72344, 90430, 139420, 180860, 278840, 361720, 63038753, 126077506, 252155012, 315193765, 504310024, 630387530, 1260775060, 2521550120]

約数ペア:

[(1, 2521550120), (2, 1260775060), (4, 630387530), (5, 504310024), (8, 315193765), (10, 252155012), (20, 126077506), (40, 63038753), (6971, 361720), (9043, 278840), (13942, 180860), (18086, 139420), (27884, 90430), (34855, 72344), (36172, 69710), (45215, 55768)]