26481920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 67218984

約数和(自身を除く): 40737064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1217, 1280, 1360, 2176, 2434, 2720, 4352, 4868, 5440, 6085, 9736, 10880, 12170, 19472, 20689, 21760, 24340, 38944, 41378, 48680, 77888, 82756, 97360, 103445, 155776, 165512, 194720, 206890, 311552, 331024, 389440, 413780, 662048, 778880, 827560, 1324096, 1557760, 1655120, 2648192, 3310240, 5296384, 6620480, 13240960, 26481920]

約数ペア:

[(1, 26481920), (2, 13240960), (4, 6620480), (5, 5296384), (8, 3310240), (10, 2648192), (16, 1655120), (17, 1557760), (20, 1324096), (32, 827560), (34, 778880), (40, 662048), (64, 413780), (68, 389440), (80, 331024), (85, 311552), (128, 206890), (136, 194720), (160, 165512), (170, 155776), (256, 103445), (272, 97360), (320, 82756), (340, 77888), (544, 48680), (640, 41378), (680, 38944), (1088, 24340), (1217, 21760), (1280, 20689), (1360, 19472), (2176, 12170), (2434, 10880), (2720, 9736), (4352, 6085), (4868, 5440)]