83381720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 196499520

約数和(自身を除く): 113117800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 1060, 1063, 1480, 1961, 2120, 2126, 3922, 4252, 5315, 7844, 8504, 9805, 10630, 15688, 19610, 21260, 39220, 39331, 42520, 56339, 78440, 78662, 112678, 157324, 196655, 225356, 281695, 314648, 393310, 450712, 563390, 786620, 1126780, 1573240, 2084543, 2253560, 4169086, 8338172, 10422715, 16676344, 20845430, 41690860, 83381720]

約数ペア:

[(1, 83381720), (2, 41690860), (4, 20845430), (5, 16676344), (8, 10422715), (10, 8338172), (20, 4169086), (37, 2253560), (40, 2084543), (53, 1573240), (74, 1126780), (106, 786620), (148, 563390), (185, 450712), (212, 393310), (265, 314648), (296, 281695), (370, 225356), (424, 196655), (530, 157324), (740, 112678), (1060, 78662), (1063, 78440), (1480, 56339), (1961, 42520), (2120, 39331), (2126, 39220), (3922, 21260), (4252, 19610), (5315, 15688), (7844, 10630), (8504, 9805)]