83440840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9613}}^1$

素因数の和:9662

約数の個数: 64

約数和(自身を含む): 221506560

約数和(自身を除く): 138065720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9613, 19226, 38452, 48065, 67291, 76904, 96130, 134582, 192260, 269164, 298003, 336455, 384520, 538328, 596006, 672910, 1192012, 1345820, 1490015, 2086021, 2384024, 2691640, 2980030, 4172042, 5960060, 8344084, 10430105, 11920120, 16688168, 20860210, 41720420, 83440840]

約数ペア:

[(1, 83440840), (2, 41720420), (4, 20860210), (5, 16688168), (7, 11920120), (8, 10430105), (10, 8344084), (14, 5960060), (20, 4172042), (28, 2980030), (31, 2691640), (35, 2384024), (40, 2086021), (56, 1490015), (62, 1345820), (70, 1192012), (124, 672910), (140, 596006), (155, 538328), (217, 384520), (248, 336455), (280, 298003), (310, 269164), (434, 192260), (620, 134582), (868, 96130), (1085, 76904), (1240, 67291), (1736, 48065), (2170, 38452), (4340, 19226), (8680, 9613)]