208768880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{84181}}^1$

素因数の和:84225

約数の個数: 40

約数和(自身を含む): 501051264

約数和(自身を除く): 292282384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 84181, 168362, 336724, 420905, 673448, 841810, 1346896, 1683620, 2609611, 3367240, 5219222, 6734480, 10438444, 13048055, 20876888, 26096110, 41753776, 52192220, 104384440, 208768880]

約数ペア:

[(1, 208768880), (2, 104384440), (4, 52192220), (5, 41753776), (8, 26096110), (10, 20876888), (16, 13048055), (20, 10438444), (31, 6734480), (40, 5219222), (62, 3367240), (80, 2609611), (124, 1683620), (155, 1346896), (248, 841810), (310, 673448), (496, 420905), (620, 336724), (1240, 168362), (2480, 84181)]