84213520

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1627}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 196219584

約数和(自身を除く): 112006064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1627, 2588, 3235, 3254, 5176, 6470, 6508, 8135, 10352, 12940, 13016, 16270, 25880, 26032, 32540, 51760, 65080, 130160, 1052669, 2105338, 4210676, 5263345, 8421352, 10526690, 16842704, 21053380, 42106760, 84213520]

約数ペア:

[(1, 84213520), (2, 42106760), (4, 21053380), (5, 16842704), (8, 10526690), (10, 8421352), (16, 5263345), (20, 4210676), (40, 2105338), (80, 1052669), (647, 130160), (1294, 65080), (1627, 51760), (2588, 32540), (3235, 26032), (3254, 25880), (5176, 16270), (6470, 13016), (6508, 12940), (8135, 10352)]