38777440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 100166976

約数和(自身を除く): 61389536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 103, 104, 130, 160, 181, 206, 208, 260, 362, 412, 416, 515, 520, 724, 824, 905, 1030, 1040, 1339, 1448, 1648, 1810, 2060, 2080, 2353, 2678, 2896, 3296, 3620, 4120, 4706, 5356, 5792, 6695, 7240, 8240, 9412, 10712, 11765, 13390, 14480, 16480, 18643, 18824, 21424, 23530, 26780, 28960, 37286, 37648, 42848, 47060, 53560, 74572, 75296, 93215, 94120, 107120, 149144, 186430, 188240, 214240, 242359, 298288, 372860, 376480, 484718, 596576, 745720, 969436, 1211795, 1491440, 1938872, 2423590, 2982880, 3877744, 4847180, 7755488, 9694360, 19388720, 38777440]

約数ペア:

[(1, 38777440), (2, 19388720), (4, 9694360), (5, 7755488), (8, 4847180), (10, 3877744), (13, 2982880), (16, 2423590), (20, 1938872), (26, 1491440), (32, 1211795), (40, 969436), (52, 745720), (65, 596576), (80, 484718), (103, 376480), (104, 372860), (130, 298288), (160, 242359), (181, 214240), (206, 188240), (208, 186430), (260, 149144), (362, 107120), (412, 94120), (416, 93215), (515, 75296), (520, 74572), (724, 53560), (824, 47060), (905, 42848), (1030, 37648), (1040, 37286), (1339, 28960), (1448, 26780), (1648, 23530), (1810, 21424), (2060, 18824), (2080, 18643), (2353, 16480), (2678, 14480), (2896, 13390), (3296, 11765), (3620, 10712), (4120, 9412), (4706, 8240), (5356, 7240), (5792, 6695)]