28559220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1187}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 80232768

約数和(自身を除く): 51673548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 1187, 1203, 1604, 2005, 2374, 2406, 3561, 4010, 4748, 4812, 5935, 6015, 7122, 8020, 11870, 12030, 14244, 17805, 23740, 24060, 35610, 71220, 475987, 951974, 1427961, 1903948, 2379935, 2855922, 4759870, 5711844, 7139805, 9519740, 14279610, 28559220]

約数ペア:

[(1, 28559220), (2, 14279610), (3, 9519740), (4, 7139805), (5, 5711844), (6, 4759870), (10, 2855922), (12, 2379935), (15, 1903948), (20, 1427961), (30, 951974), (60, 475987), (401, 71220), (802, 35610), (1187, 24060), (1203, 23740), (1604, 17805), (2005, 14244), (2374, 12030), (2406, 11870), (3561, 8020), (4010, 7122), (4748, 6015), (4812, 5935)]