80413040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7673}}^1$

素因数の和:7817

約数の個数: 40

約数和(自身を含む): 188412048

約数和(自身を除く): 107999008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 7673, 10480, 15346, 30692, 38365, 61384, 76730, 122768, 153460, 306920, 613840, 1005163, 2010326, 4020652, 5025815, 8041304, 10051630, 16082608, 20103260, 40206520, 80413040]

約数ペア:

[(1, 80413040), (2, 40206520), (4, 20103260), (5, 16082608), (8, 10051630), (10, 8041304), (16, 5025815), (20, 4020652), (40, 2010326), (80, 1005163), (131, 613840), (262, 306920), (524, 153460), (655, 122768), (1048, 76730), (1310, 61384), (2096, 38365), (2620, 30692), (5240, 15346), (7673, 10480)]