51000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1574

約数の個数: 80

約数和(自身を含む): 137830464

約数和(自身を除く): 86829584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1493, 1708, 2135, 2440, 2986, 3416, 4270, 4880, 5972, 6832, 7465, 8540, 10451, 11944, 14930, 17080, 20902, 23888, 29860, 34160, 41804, 52255, 59720, 83608, 91073, 104510, 119440, 167216, 182146, 209020, 364292, 418040, 455365, 637511, 728584, 836080, 910730, 1275022, 1457168, 1821460, 2550044, 3187555, 3642920, 5100088, 6375110, 7285840, 10200176, 12750220, 25500440, 51000880]

約数ペア:

[(1, 51000880), (2, 25500440), (4, 12750220), (5, 10200176), (7, 7285840), (8, 6375110), (10, 5100088), (14, 3642920), (16, 3187555), (20, 2550044), (28, 1821460), (35, 1457168), (40, 1275022), (56, 910730), (61, 836080), (70, 728584), (80, 637511), (112, 455365), (122, 418040), (140, 364292), (244, 209020), (280, 182146), (305, 167216), (427, 119440), (488, 104510), (560, 91073), (610, 83608), (854, 59720), (976, 52255), (1220, 41804), (1493, 34160), (1708, 29860), (2135, 23888), (2440, 20902), (2986, 17080), (3416, 14930), (4270, 11944), (4880, 10451), (5972, 8540), (6832, 7465)]