40971280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3224

約数の個数: 80

約数和(自身を含む): 113635584

約数和(自身を除く): 72664304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3181, 3220, 6362, 6440, 12724, 12880, 15905, 22267, 25448, 31810, 44534, 50896, 63620, 73163, 89068, 111335, 127240, 146326, 178136, 222670, 254480, 292652, 356272, 365815, 445340, 512141, 585304, 731630, 890680, 1024282, 1170608, 1463260, 1781360, 2048564, 2560705, 2926520, 4097128, 5121410, 5853040, 8194256, 10242820, 20485640, 40971280]

約数ペア:

[(1, 40971280), (2, 20485640), (4, 10242820), (5, 8194256), (7, 5853040), (8, 5121410), (10, 4097128), (14, 2926520), (16, 2560705), (20, 2048564), (23, 1781360), (28, 1463260), (35, 1170608), (40, 1024282), (46, 890680), (56, 731630), (70, 585304), (80, 512141), (92, 445340), (112, 365815), (115, 356272), (140, 292652), (161, 254480), (184, 222670), (230, 178136), (280, 146326), (322, 127240), (368, 111335), (460, 89068), (560, 73163), (644, 63620), (805, 50896), (920, 44534), (1288, 31810), (1610, 25448), (1840, 22267), (2576, 15905), (3181, 12880), (3220, 12724), (6362, 6440)]