25118021375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 33543469440

約数和(自身を除く): 8425448065

約数列:

[1, 5, 19, 25, 95, 113, 125, 173, 475, 541, 565, 865, 2147, 2375, 2705, 2825, 3287, 4325, 10279, 10735, 13525, 14125, 16435, 19549, 21625, 51395, 53675, 61133, 67625, 82175, 93593, 97745, 256975, 268375, 305665, 371431, 410875, 467965, 488725, 1161527, 1284875, 1528325, 1778267, 1857155, 2339825, 2443625, 5807635, 7641625, 8891335, 9285775, 10576009, 11699125, 29038175, 44456675, 46428875, 52880045, 145190875, 200944171, 222283375, 264400225, 1004720855, 1322001125, 5023604275, 25118021375]

約数ペア:

[(1, 25118021375), (5, 5023604275), (19, 1322001125), (25, 1004720855), (95, 264400225), (113, 222283375), (125, 200944171), (173, 145190875), (475, 52880045), (541, 46428875), (565, 44456675), (865, 29038175), (2147, 11699125), (2375, 10576009), (2705, 9285775), (2825, 8891335), (3287, 7641625), (4325, 5807635), (10279, 2443625), (10735, 2339825), (13525, 1857155), (14125, 1778267), (16435, 1528325), (19549, 1284875), (21625, 1161527), (51395, 488725), (53675, 467965), (61133, 410875), (67625, 371431), (82175, 305665), (93593, 268375), (97745, 256975)]