25680816

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 120

約数和(自身を含む): 83501600

約数和(自身を除く): 57820784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 73, 84, 112, 126, 144, 146, 168, 219, 252, 292, 336, 349, 438, 504, 511, 584, 657, 698, 876, 1008, 1022, 1047, 1168, 1314, 1396, 1533, 1752, 2044, 2094, 2443, 2628, 2792, 3066, 3141, 3504, 4088, 4188, 4599, 4886, 5256, 5584, 6132, 6282, 7329, 8176, 8376, 9198, 9772, 10512, 12264, 12564, 14658, 16752, 18396, 19544, 21987, 24528, 25128, 25477, 29316, 36792, 39088, 43974, 50256, 50954, 58632, 73584, 76431, 87948, 101908, 117264, 152862, 175896, 178339, 203816, 229293, 305724, 351792, 356678, 407632, 458586, 535017, 611448, 713356, 917172, 1070034, 1222896, 1426712, 1605051, 1834344, 2140068, 2853424, 3210102, 3668688, 4280136, 6420204, 8560272, 12840408, 25680816]

約数ペア:

[(1, 25680816), (2, 12840408), (3, 8560272), (4, 6420204), (6, 4280136), (7, 3668688), (8, 3210102), (9, 2853424), (12, 2140068), (14, 1834344), (16, 1605051), (18, 1426712), (21, 1222896), (24, 1070034), (28, 917172), (36, 713356), (42, 611448), (48, 535017), (56, 458586), (63, 407632), (72, 356678), (73, 351792), (84, 305724), (112, 229293), (126, 203816), (144, 178339), (146, 175896), (168, 152862), (219, 117264), (252, 101908), (292, 87948), (336, 76431), (349, 73584), (438, 58632), (504, 50954), (511, 50256), (584, 43974), (657, 39088), (698, 36792), (876, 29316), (1008, 25477), (1022, 25128), (1047, 24528), (1168, 21987), (1314, 19544), (1396, 18396), (1533, 16752), (1752, 14658), (2044, 12564), (2094, 12264), (2443, 10512), (2628, 9772), (2792, 9198), (3066, 8376), (3141, 8176), (3504, 7329), (4088, 6282), (4188, 6132), (4599, 5584), (4886, 5256)]