25415720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1298

約数の個数: 64

約数和(自身を含む): 63763200

約数和(自身を除く): 38347480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1229, 1880, 2068, 2458, 2585, 4136, 4916, 5170, 6145, 9832, 10340, 12290, 13519, 20680, 24580, 27038, 49160, 54076, 57763, 67595, 108152, 115526, 135190, 231052, 270380, 288815, 462104, 540760, 577630, 635393, 1155260, 1270786, 2310520, 2541572, 3176965, 5083144, 6353930, 12707860, 25415720]

約数ペア:

[(1, 25415720), (2, 12707860), (4, 6353930), (5, 5083144), (8, 3176965), (10, 2541572), (11, 2310520), (20, 1270786), (22, 1155260), (40, 635393), (44, 577630), (47, 540760), (55, 462104), (88, 288815), (94, 270380), (110, 231052), (188, 135190), (220, 115526), (235, 108152), (376, 67595), (440, 57763), (470, 54076), (517, 49160), (940, 27038), (1034, 24580), (1229, 20680), (1880, 13519), (2068, 12290), (2458, 10340), (2585, 9832), (4136, 6145), (4916, 5170)]