25304840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 66312000

約数和(自身を除く): 41007160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 199, 220, 289, 340, 374, 398, 440, 578, 680, 748, 796, 935, 995, 1156, 1445, 1496, 1592, 1870, 1990, 2189, 2312, 2890, 3179, 3383, 3740, 3980, 4378, 5780, 6358, 6766, 7480, 7960, 8756, 10945, 11560, 12716, 13532, 15895, 16915, 17512, 21890, 25432, 27064, 31790, 33830, 37213, 43780, 57511, 63580, 67660, 74426, 87560, 115022, 127160, 135320, 148852, 186065, 230044, 287555, 297704, 372130, 460088, 575110, 632621, 744260, 1150220, 1265242, 1488520, 2300440, 2530484, 3163105, 5060968, 6326210, 12652420, 25304840]

約数ペア:

[(1, 25304840), (2, 12652420), (4, 6326210), (5, 5060968), (8, 3163105), (10, 2530484), (11, 2300440), (17, 1488520), (20, 1265242), (22, 1150220), (34, 744260), (40, 632621), (44, 575110), (55, 460088), (68, 372130), (85, 297704), (88, 287555), (110, 230044), (136, 186065), (170, 148852), (187, 135320), (199, 127160), (220, 115022), (289, 87560), (340, 74426), (374, 67660), (398, 63580), (440, 57511), (578, 43780), (680, 37213), (748, 33830), (796, 31790), (935, 27064), (995, 25432), (1156, 21890), (1445, 17512), (1496, 16915), (1592, 15895), (1870, 13532), (1990, 12716), (2189, 11560), (2312, 10945), (2890, 8756), (3179, 7960), (3383, 7480), (3740, 6766), (3980, 6358), (4378, 5780)]