40703680

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 97475040

約数和(自身を除く): 56771360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 409, 622, 818, 1244, 1555, 1636, 2045, 2488, 3110, 3272, 4090, 4976, 6220, 6544, 8180, 9952, 12440, 13088, 16360, 19904, 24880, 26176, 32720, 49760, 65440, 99520, 127199, 130880, 254398, 508796, 635995, 1017592, 1271990, 2035184, 2543980, 4070368, 5087960, 8140736, 10175920, 20351840, 40703680]

約数ペア:

[(1, 40703680), (2, 20351840), (4, 10175920), (5, 8140736), (8, 5087960), (10, 4070368), (16, 2543980), (20, 2035184), (32, 1271990), (40, 1017592), (64, 635995), (80, 508796), (160, 254398), (311, 130880), (320, 127199), (409, 99520), (622, 65440), (818, 49760), (1244, 32720), (1555, 26176), (1636, 24880), (2045, 19904), (2488, 16360), (3110, 13088), (3272, 12440), (4090, 9952), (4976, 8180), (6220, 6544)]