5263378640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{27961}}^1$

素因数の和:28168

約数の個数: 80

約数和(自身を含む): 13251974736

約数和(自身を除く): 7988596096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 520, 724, 905, 1040, 1448, 1810, 2353, 2896, 3620, 4706, 7240, 9412, 11765, 14480, 18824, 23530, 27961, 37648, 47060, 55922, 94120, 111844, 139805, 188240, 223688, 279610, 363493, 447376, 559220, 726986, 1118440, 1453972, 1817465, 2236880, 2907944, 3634930, 5060941, 5815888, 7269860, 10121882, 14539720, 20243764, 25304705, 29079440, 40487528, 50609410, 65792233, 80975056, 101218820, 131584466, 202437640, 263168932, 328961165, 404875280, 526337864, 657922330, 1052675728, 1315844660, 2631689320, 5263378640]

約数ペア:

[(1, 5263378640), (2, 2631689320), (4, 1315844660), (5, 1052675728), (8, 657922330), (10, 526337864), (13, 404875280), (16, 328961165), (20, 263168932), (26, 202437640), (40, 131584466), (52, 101218820), (65, 80975056), (80, 65792233), (104, 50609410), (130, 40487528), (181, 29079440), (208, 25304705), (260, 20243764), (362, 14539720), (520, 10121882), (724, 7269860), (905, 5815888), (1040, 5060941), (1448, 3634930), (1810, 2907944), (2353, 2236880), (2896, 1817465), (3620, 1453972), (4706, 1118440), (7240, 726986), (9412, 559220), (11765, 447376), (14480, 363493), (18824, 279610), (23530, 223688), (27961, 188240), (37648, 139805), (47060, 111844), (55922, 94120)]