84801320

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7823}}^1$

素因数の和:8105

約数の個数: 32

約数和(自身を含む): 191531520

約数和(自身を除く): 106730200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 7823, 10840, 15646, 31292, 39115, 62584, 78230, 156460, 312920, 2120033, 4240066, 8480132, 10600165, 16960264, 21200330, 42400660, 84801320]

約数ペア:

[(1, 84801320), (2, 42400660), (4, 21200330), (5, 16960264), (8, 10600165), (10, 8480132), (20, 4240066), (40, 2120033), (271, 312920), (542, 156460), (1084, 78230), (1355, 62584), (2168, 39115), (2710, 31292), (5420, 15646), (7823, 10840)]