13396220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 29634528

約数和(自身を除く): 16238308

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 421, 430, 740, 842, 860, 1591, 1684, 2105, 3182, 4210, 6364, 7955, 8420, 15577, 15910, 18103, 31154, 31820, 36206, 62308, 72412, 77885, 90515, 155770, 181030, 311540, 362060, 669811, 1339622, 2679244, 3349055, 6698110, 13396220]

約数ペア:

[(1, 13396220), (2, 6698110), (4, 3349055), (5, 2679244), (10, 1339622), (20, 669811), (37, 362060), (43, 311540), (74, 181030), (86, 155770), (148, 90515), (172, 77885), (185, 72412), (215, 62308), (370, 36206), (421, 31820), (430, 31154), (740, 18103), (842, 15910), (860, 15577), (1591, 8420), (1684, 7955), (2105, 6364), (3182, 4210)]