38991291275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{7489}}^1$

素因数の和:7728

約数の個数: 48

約数和(自身を含む): 51880533600

約数和(自身を除く): 12889242325

約数列:

[1, 5, 19, 25, 95, 97, 113, 475, 485, 565, 1843, 2147, 2425, 2825, 7489, 9215, 10735, 10961, 37445, 46075, 53675, 54805, 142291, 187225, 208259, 274025, 711455, 726433, 846257, 1041295, 3557275, 3632165, 4231285, 5206475, 13802227, 16078883, 18160825, 21156425, 69011135, 80394415, 82086929, 345055675, 401972075, 410434645, 1559651651, 2052173225, 7798258255, 38991291275]

約数ペア:

[(1, 38991291275), (5, 7798258255), (19, 2052173225), (25, 1559651651), (95, 410434645), (97, 401972075), (113, 345055675), (475, 82086929), (485, 80394415), (565, 69011135), (1843, 21156425), (2147, 18160825), (2425, 16078883), (2825, 13802227), (7489, 5206475), (9215, 4231285), (10735, 3632165), (10961, 3557275), (37445, 1041295), (46075, 846257), (53675, 726433), (54805, 711455), (142291, 274025), (187225, 208259)]