28882720

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1973

約数の個数: 48

約数和(自身を含む): 68975928

約数和(自身を除く): 40093208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1861, 1940, 3104, 3722, 3880, 7444, 7760, 9305, 14888, 15520, 18610, 29776, 37220, 59552, 74440, 148880, 180517, 297760, 361034, 722068, 902585, 1444136, 1805170, 2888272, 3610340, 5776544, 7220680, 14441360, 28882720]

約数ペア:

[(1, 28882720), (2, 14441360), (4, 7220680), (5, 5776544), (8, 3610340), (10, 2888272), (16, 1805170), (20, 1444136), (32, 902585), (40, 722068), (80, 361034), (97, 297760), (160, 180517), (194, 148880), (388, 74440), (485, 59552), (776, 37220), (970, 29776), (1552, 18610), (1861, 15520), (1940, 14888), (3104, 9305), (3722, 7760), (3880, 7444)]