40255840

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 95528160

約数和(自身を除く): 55272320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 809, 1244, 1555, 1618, 2488, 3110, 3236, 4045, 4976, 6220, 6472, 8090, 9952, 12440, 12944, 16180, 24880, 25888, 32360, 49760, 64720, 129440, 251599, 503198, 1006396, 1257995, 2012792, 2515990, 4025584, 5031980, 8051168, 10063960, 20127920, 40255840]

約数ペア:

[(1, 40255840), (2, 20127920), (4, 10063960), (5, 8051168), (8, 5031980), (10, 4025584), (16, 2515990), (20, 2012792), (32, 1257995), (40, 1006396), (80, 503198), (160, 251599), (311, 129440), (622, 64720), (809, 49760), (1244, 32360), (1555, 25888), (1618, 24880), (2488, 16180), (3110, 12944), (3236, 12440), (4045, 9952), (4976, 8090), (6220, 6472)]