80299840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 112

約数和(自身を含む): 209854800

約数和(自身を除く): 129554960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 320, 340, 464, 493, 509, 544, 580, 680, 928, 986, 1018, 1088, 1160, 1360, 1856, 1972, 2036, 2320, 2465, 2545, 2720, 3944, 4072, 4640, 4930, 5090, 5440, 7888, 8144, 8653, 9280, 9860, 10180, 14761, 15776, 16288, 17306, 19720, 20360, 29522, 31552, 32576, 34612, 39440, 40720, 43265, 59044, 69224, 73805, 78880, 81440, 86530, 118088, 138448, 147610, 157760, 162880, 173060, 236176, 250937, 276896, 295220, 346120, 472352, 501874, 553792, 590440, 692240, 944704, 1003748, 1180880, 1254685, 1384480, 2007496, 2361760, 2509370, 2768960, 4014992, 4723520, 5018740, 8029984, 10037480, 16059968, 20074960, 40149920, 80299840]

約数ペア:

[(1, 80299840), (2, 40149920), (4, 20074960), (5, 16059968), (8, 10037480), (10, 8029984), (16, 5018740), (17, 4723520), (20, 4014992), (29, 2768960), (32, 2509370), (34, 2361760), (40, 2007496), (58, 1384480), (64, 1254685), (68, 1180880), (80, 1003748), (85, 944704), (116, 692240), (136, 590440), (145, 553792), (160, 501874), (170, 472352), (232, 346120), (272, 295220), (290, 276896), (320, 250937), (340, 236176), (464, 173060), (493, 162880), (509, 157760), (544, 147610), (580, 138448), (680, 118088), (928, 86530), (986, 81440), (1018, 78880), (1088, 73805), (1160, 69224), (1360, 59044), (1856, 43265), (1972, 40720), (2036, 39440), (2320, 34612), (2465, 32576), (2545, 31552), (2720, 29522), (3944, 20360), (4072, 19720), (4640, 17306), (4930, 16288), (5090, 15776), (5440, 14761), (7888, 10180), (8144, 9860), (8653, 9280)]