51607961320

素因数分解:

$2^3\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{605443}}^1$

素因数の和:607585

約数の個数: 32

約数和(自身を含む): 116172594720

約数和(自身を除く): 64564633400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2131, 4262, 8524, 10655, 17048, 21310, 42620, 85240, 605443, 1210886, 2421772, 3027215, 4843544, 6054430, 12108860, 24217720, 1290199033, 2580398066, 5160796132, 6450995165, 10321592264, 12901990330, 25803980660, 51607961320]

約数ペア:

[(1, 51607961320), (2, 25803980660), (4, 12901990330), (5, 10321592264), (8, 6450995165), (10, 5160796132), (20, 2580398066), (40, 1290199033), (2131, 24217720), (4262, 12108860), (8524, 6054430), (10655, 4843544), (17048, 3027215), (21310, 2421772), (42620, 1210886), (85240, 605443)]