195376880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78781}}^1$

素因数の和:78825

約数の個数: 40

約数和(自身を含む): 468910464

約数和(自身を除く): 273533584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 78781, 157562, 315124, 393905, 630248, 787810, 1260496, 1575620, 2442211, 3151240, 4884422, 6302480, 9768844, 12211055, 19537688, 24422110, 39075376, 48844220, 97688440, 195376880]

約数ペア:

[(1, 195376880), (2, 97688440), (4, 48844220), (5, 39075376), (8, 24422110), (10, 19537688), (16, 12211055), (20, 9768844), (31, 6302480), (40, 4884422), (62, 3151240), (80, 2442211), (124, 1575620), (155, 1260496), (248, 787810), (310, 630248), (496, 393905), (620, 315124), (1240, 157562), (2480, 78781)]