40816490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 96671232

約数和(自身を除く): 55854742

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 23, 26, 34, 46, 55, 65, 73, 85, 110, 115, 130, 143, 146, 170, 187, 221, 230, 253, 286, 299, 365, 374, 391, 442, 506, 598, 715, 730, 782, 803, 935, 949, 1105, 1241, 1265, 1430, 1495, 1606, 1679, 1870, 1898, 1955, 2210, 2431, 2482, 2530, 2990, 3289, 3358, 3910, 4015, 4301, 4745, 4862, 5083, 6205, 6578, 8030, 8395, 8602, 9490, 10166, 10439, 12155, 12410, 13651, 16133, 16445, 16790, 18469, 20878, 21505, 21827, 24310, 25415, 27302, 28543, 32266, 32890, 36938, 43010, 43654, 50830, 52195, 55913, 57086, 68255, 80665, 92345, 104390, 109135, 111826, 136510, 142715, 161330, 177463, 184690, 218270, 240097, 279565, 285430, 313973, 354926, 371059, 480194, 559130, 627946, 742118, 887315, 1200485, 1569865, 1774630, 1855295, 2400970, 3139730, 3710590, 4081649, 8163298, 20408245, 40816490]

約数ペア:

[(1, 40816490), (2, 20408245), (5, 8163298), (10, 4081649), (11, 3710590), (13, 3139730), (17, 2400970), (22, 1855295), (23, 1774630), (26, 1569865), (34, 1200485), (46, 887315), (55, 742118), (65, 627946), (73, 559130), (85, 480194), (110, 371059), (115, 354926), (130, 313973), (143, 285430), (146, 279565), (170, 240097), (187, 218270), (221, 184690), (230, 177463), (253, 161330), (286, 142715), (299, 136510), (365, 111826), (374, 109135), (391, 104390), (442, 92345), (506, 80665), (598, 68255), (715, 57086), (730, 55913), (782, 52195), (803, 50830), (935, 43654), (949, 43010), (1105, 36938), (1241, 32890), (1265, 32266), (1430, 28543), (1495, 27302), (1606, 25415), (1679, 24310), (1870, 21827), (1898, 21505), (1955, 20878), (2210, 18469), (2431, 16790), (2482, 16445), (2530, 16133), (2990, 13651), (3289, 12410), (3358, 12155), (3910, 10439), (4015, 10166), (4301, 9490), (4745, 8602), (4862, 8395), (5083, 8030), (6205, 6578)]