38887840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2$

素因数の和:107

約数の個数: 108

約数和(自身を含む): 101076066

約数和(自身を除く): 62188226

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 289, 290, 340, 464, 493, 544, 578, 580, 680, 841, 928, 986, 1156, 1160, 1360, 1445, 1682, 1972, 2312, 2320, 2465, 2720, 2890, 3364, 3944, 4205, 4624, 4640, 4930, 5780, 6728, 7888, 8381, 8410, 9248, 9860, 11560, 13456, 14297, 15776, 16762, 16820, 19720, 23120, 26912, 28594, 33524, 33640, 39440, 41905, 46240, 57188, 67048, 67280, 71485, 78880, 83810, 114376, 134096, 134560, 142970, 167620, 228752, 243049, 268192, 285940, 335240, 457504, 486098, 571880, 670480, 972196, 1143760, 1215245, 1340960, 1944392, 2287520, 2430490, 3888784, 4860980, 7777568, 9721960, 19443920, 38887840]

約数ペア:

[(1, 38887840), (2, 19443920), (4, 9721960), (5, 7777568), (8, 4860980), (10, 3888784), (16, 2430490), (17, 2287520), (20, 1944392), (29, 1340960), (32, 1215245), (34, 1143760), (40, 972196), (58, 670480), (68, 571880), (80, 486098), (85, 457504), (116, 335240), (136, 285940), (145, 268192), (160, 243049), (170, 228752), (232, 167620), (272, 142970), (289, 134560), (290, 134096), (340, 114376), (464, 83810), (493, 78880), (544, 71485), (578, 67280), (580, 67048), (680, 57188), (841, 46240), (928, 41905), (986, 39440), (1156, 33640), (1160, 33524), (1360, 28594), (1445, 26912), (1682, 23120), (1972, 19720), (2312, 16820), (2320, 16762), (2465, 15776), (2720, 14297), (2890, 13456), (3364, 11560), (3944, 9860), (4205, 9248), (4624, 8410), (4640, 8381), (4930, 7888), (5780, 6728)]