40609720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 98003520

約数和(自身を除く): 57393800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1193, 1480, 1702, 2386, 3404, 4255, 4772, 5965, 6808, 8510, 9544, 11930, 17020, 23860, 27439, 34040, 44141, 47720, 54878, 88282, 109756, 137195, 176564, 219512, 220705, 274390, 353128, 441410, 548780, 882820, 1015243, 1097560, 1765640, 2030486, 4060972, 5076215, 8121944, 10152430, 20304860, 40609720]

約数ペア:

[(1, 40609720), (2, 20304860), (4, 10152430), (5, 8121944), (8, 5076215), (10, 4060972), (20, 2030486), (23, 1765640), (37, 1097560), (40, 1015243), (46, 882820), (74, 548780), (92, 441410), (115, 353128), (148, 274390), (184, 220705), (185, 219512), (230, 176564), (296, 137195), (370, 109756), (460, 88282), (740, 54878), (851, 47720), (920, 44141), (1193, 34040), (1480, 27439), (1702, 23860), (2386, 17020), (3404, 11930), (4255, 9544), (4772, 8510), (5965, 6808)]