51381880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3767}}^1$

素因数の和:3820

約数の個数: 64

約数和(自身を含む): 130222080

約数和(自身を除く): 78840200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 3767, 6820, 7534, 13640, 15068, 18835, 30136, 37670, 41437, 75340, 82874, 116777, 150680, 165748, 207185, 233554, 331496, 414370, 467108, 583885, 828740, 934216, 1167770, 1284547, 1657480, 2335540, 2569094, 4671080, 5138188, 6422735, 10276376, 12845470, 25690940, 51381880]

約数ペア:

[(1, 51381880), (2, 25690940), (4, 12845470), (5, 10276376), (8, 6422735), (10, 5138188), (11, 4671080), (20, 2569094), (22, 2335540), (31, 1657480), (40, 1284547), (44, 1167770), (55, 934216), (62, 828740), (88, 583885), (110, 467108), (124, 414370), (155, 331496), (220, 233554), (248, 207185), (310, 165748), (341, 150680), (440, 116777), (620, 82874), (682, 75340), (1240, 41437), (1364, 37670), (1705, 30136), (2728, 18835), (3410, 15068), (3767, 13640), (6820, 7534)]