5204920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 13867200

約数和(自身を除く): 8662280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 641, 812, 1015, 1160, 1282, 1624, 2030, 2564, 3205, 4060, 4487, 5128, 6410, 8120, 8974, 12820, 17948, 18589, 22435, 25640, 35896, 37178, 44870, 74356, 89740, 92945, 130123, 148712, 179480, 185890, 260246, 371780, 520492, 650615, 743560, 1040984, 1301230, 2602460, 5204920]

約数ペア:

[(1, 5204920), (2, 2602460), (4, 1301230), (5, 1040984), (7, 743560), (8, 650615), (10, 520492), (14, 371780), (20, 260246), (28, 185890), (29, 179480), (35, 148712), (40, 130123), (56, 92945), (58, 89740), (70, 74356), (116, 44870), (140, 37178), (145, 35896), (203, 25640), (232, 22435), (280, 18589), (290, 17948), (406, 12820), (580, 8974), (641, 8120), (812, 6410), (1015, 5128), (1160, 4487), (1282, 4060), (1624, 3205), (2030, 2564)]