40875520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2281}}^1$

素因数の和:2311

約数の個数: 80

約数和(自身を含む): 112055328

約数和(自身を除く): 71179808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2281, 2560, 3584, 4480, 4562, 8960, 9124, 11405, 15967, 17920, 18248, 22810, 31934, 36496, 45620, 63868, 72992, 79835, 91240, 127736, 145984, 159670, 182480, 255472, 291968, 319340, 364960, 510944, 583936, 638680, 729920, 1021888, 1167872, 1277360, 1459840, 2043776, 2554720, 2919680, 4087552, 5109440, 5839360, 8175104, 10218880, 20437760, 40875520]

約数ペア:

[(1, 40875520), (2, 20437760), (4, 10218880), (5, 8175104), (7, 5839360), (8, 5109440), (10, 4087552), (14, 2919680), (16, 2554720), (20, 2043776), (28, 1459840), (32, 1277360), (35, 1167872), (40, 1021888), (56, 729920), (64, 638680), (70, 583936), (80, 510944), (112, 364960), (128, 319340), (140, 291968), (160, 255472), (224, 182480), (256, 159670), (280, 145984), (320, 127736), (448, 91240), (512, 79835), (560, 72992), (640, 63868), (896, 45620), (1120, 36496), (1280, 31934), (1792, 22810), (2240, 18248), (2281, 17920), (2560, 15967), (3584, 11405), (4480, 9124), (4562, 8960)]