2523648520

素因数分解:

$2^3\times 5^1\times {\mathrm{7937}}^1\times {\mathrm{7949}}^1$

素因数の和:15897

約数の個数: 32

約数和(自身を含む): 5679639000

約数和(自身を除く): 3155990480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7937, 7949, 15874, 15898, 31748, 31796, 39685, 39745, 63496, 63592, 79370, 79490, 158740, 158980, 317480, 317960, 63091213, 126182426, 252364852, 315456065, 504729704, 630912130, 1261824260, 2523648520]

約数ペア:

[(1, 2523648520), (2, 1261824260), (4, 630912130), (5, 504729704), (8, 315456065), (10, 252364852), (20, 126182426), (40, 63091213), (7937, 317960), (7949, 317480), (15874, 158980), (15898, 158740), (31748, 79490), (31796, 79370), (39685, 63592), (39745, 63496)]