56778880

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 137577600

約数和(自身を除く): 80798720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1123, 1264, 1580, 2246, 2528, 3160, 4492, 5056, 5615, 6320, 8984, 10112, 11230, 12640, 17968, 22460, 25280, 35936, 44920, 50560, 71872, 88717, 89840, 143744, 177434, 179680, 354868, 359360, 443585, 709736, 718720, 887170, 1419472, 1774340, 2838944, 3548680, 5677888, 7097360, 11355776, 14194720, 28389440, 56778880]

約数ペア:

[(1, 56778880), (2, 28389440), (4, 14194720), (5, 11355776), (8, 7097360), (10, 5677888), (16, 3548680), (20, 2838944), (32, 1774340), (40, 1419472), (64, 887170), (79, 718720), (80, 709736), (128, 443585), (158, 359360), (160, 354868), (316, 179680), (320, 177434), (395, 143744), (632, 89840), (640, 88717), (790, 71872), (1123, 50560), (1264, 44920), (1580, 35936), (2246, 25280), (2528, 22460), (3160, 17968), (4492, 12640), (5056, 11230), (5615, 10112), (6320, 8984)]