55408720

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1051}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 129143520

約数和(自身を除く): 73734800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1051, 1318, 2102, 2636, 3295, 4204, 5255, 5272, 6590, 8408, 10510, 10544, 13180, 16816, 21020, 26360, 42040, 52720, 84080, 692609, 1385218, 2770436, 3463045, 5540872, 6926090, 11081744, 13852180, 27704360, 55408720]

約数ペア:

[(1, 55408720), (2, 27704360), (4, 13852180), (5, 11081744), (8, 6926090), (10, 5540872), (16, 3463045), (20, 2770436), (40, 1385218), (80, 692609), (659, 84080), (1051, 52720), (1318, 42040), (2102, 26360), (2636, 21020), (3295, 16816), (4204, 13180), (5255, 10544), (5272, 10510), (6590, 8408)]