138604720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55889}}^1$

素因数の和:55933

約数の個数: 40

約数和(自身を含む): 332657280

約数和(自身を除く): 194052560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 55889, 111778, 223556, 279445, 447112, 558890, 894224, 1117780, 1732559, 2235560, 3465118, 4471120, 6930236, 8662795, 13860472, 17325590, 27720944, 34651180, 69302360, 138604720]

約数ペア:

[(1, 138604720), (2, 69302360), (4, 34651180), (5, 27720944), (8, 17325590), (10, 13860472), (16, 8662795), (20, 6930236), (31, 4471120), (40, 3465118), (62, 2235560), (80, 1732559), (124, 1117780), (155, 894224), (248, 558890), (310, 447112), (496, 279445), (620, 223556), (1240, 111778), (2480, 55889)]