40151720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 103921920

約数和(自身を除く): 63770200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 743, 772, 965, 1351, 1486, 1544, 1930, 2702, 2972, 3715, 3860, 5201, 5404, 5944, 6755, 7430, 7720, 10402, 10808, 13510, 14860, 20804, 26005, 27020, 29720, 41608, 52010, 54040, 104020, 143399, 208040, 286798, 573596, 716995, 1003793, 1147192, 1433990, 2007586, 2867980, 4015172, 5018965, 5735960, 8030344, 10037930, 20075860, 40151720]

約数ペア:

[(1, 40151720), (2, 20075860), (4, 10037930), (5, 8030344), (7, 5735960), (8, 5018965), (10, 4015172), (14, 2867980), (20, 2007586), (28, 1433990), (35, 1147192), (40, 1003793), (56, 716995), (70, 573596), (140, 286798), (193, 208040), (280, 143399), (386, 104020), (743, 54040), (772, 52010), (965, 41608), (1351, 29720), (1486, 27020), (1544, 26005), (1930, 20804), (2702, 14860), (2972, 13510), (3715, 10808), (3860, 10402), (5201, 7720), (5404, 7430), (5944, 6755)]