80024980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1123}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 192608640

約数和(自身を除く): 112583660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1123, 2036, 2246, 2545, 3563, 4492, 5090, 5615, 7126, 7861, 10180, 11230, 14252, 15722, 17815, 22460, 31444, 35630, 39305, 71260, 78610, 157220, 571607, 1143214, 2286428, 2858035, 4001249, 5716070, 8002498, 11432140, 16004996, 20006245, 40012490, 80024980]

約数ペア:

[(1, 80024980), (2, 40012490), (4, 20006245), (5, 16004996), (7, 11432140), (10, 8002498), (14, 5716070), (20, 4001249), (28, 2858035), (35, 2286428), (70, 1143214), (140, 571607), (509, 157220), (1018, 78610), (1123, 71260), (2036, 39305), (2246, 35630), (2545, 31444), (3563, 22460), (4492, 17815), (5090, 15722), (5615, 14252), (7126, 11230), (7861, 10180)]