2826980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 6519744

約数和(自身を除く): 3692764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 131, 166, 260, 262, 332, 415, 524, 655, 830, 1079, 1310, 1660, 1703, 2158, 2620, 3406, 4316, 5395, 6812, 8515, 10790, 10873, 17030, 21580, 21746, 34060, 43492, 54365, 108730, 141349, 217460, 282698, 565396, 706745, 1413490, 2826980]

約数ペア:

[(1, 2826980), (2, 1413490), (4, 706745), (5, 565396), (10, 282698), (13, 217460), (20, 141349), (26, 108730), (52, 54365), (65, 43492), (83, 34060), (130, 21746), (131, 21580), (166, 17030), (260, 10873), (262, 10790), (332, 8515), (415, 6812), (524, 5395), (655, 4316), (830, 3406), (1079, 2620), (1310, 2158), (1660, 1703)]