25966820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 64665216

約数和(自身を除く): 38698396

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 53, 55, 68, 85, 106, 110, 131, 170, 187, 212, 220, 262, 265, 340, 374, 524, 530, 583, 655, 748, 901, 935, 1060, 1166, 1310, 1441, 1802, 1870, 2227, 2332, 2620, 2882, 2915, 3604, 3740, 4454, 4505, 5764, 5830, 6943, 7205, 8908, 9010, 9911, 11135, 11660, 13886, 14410, 18020, 19822, 22270, 24497, 27772, 28820, 34715, 39644, 44540, 48994, 49555, 69430, 76373, 97988, 99110, 118031, 122485, 138860, 152746, 198220, 236062, 244970, 305492, 381865, 472124, 489940, 590155, 763730, 1180310, 1298341, 1527460, 2360620, 2596682, 5193364, 6491705, 12983410, 25966820]

約数ペア:

[(1, 25966820), (2, 12983410), (4, 6491705), (5, 5193364), (10, 2596682), (11, 2360620), (17, 1527460), (20, 1298341), (22, 1180310), (34, 763730), (44, 590155), (53, 489940), (55, 472124), (68, 381865), (85, 305492), (106, 244970), (110, 236062), (131, 198220), (170, 152746), (187, 138860), (212, 122485), (220, 118031), (262, 99110), (265, 97988), (340, 76373), (374, 69430), (524, 49555), (530, 48994), (583, 44540), (655, 39644), (748, 34715), (901, 28820), (935, 27772), (1060, 24497), (1166, 22270), (1310, 19822), (1441, 18020), (1802, 14410), (1870, 13886), (2227, 11660), (2332, 11135), (2620, 9911), (2882, 9010), (2915, 8908), (3604, 7205), (3740, 6943), (4454, 5830), (4505, 5764)]