39786640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 97422336

約数和(自身を除く): 57635696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 263, 305, 310, 488, 496, 526, 610, 620, 976, 1052, 1220, 1240, 1315, 1891, 2104, 2440, 2480, 2630, 3782, 4208, 4880, 5260, 7564, 8153, 9455, 10520, 15128, 16043, 16306, 18910, 21040, 30256, 32086, 32612, 37820, 40765, 64172, 65224, 75640, 80215, 81530, 128344, 130448, 151280, 160430, 163060, 256688, 320860, 326120, 497333, 641720, 652240, 994666, 1283440, 1989332, 2486665, 3978664, 4973330, 7957328, 9946660, 19893320, 39786640]

約数ペア:

[(1, 39786640), (2, 19893320), (4, 9946660), (5, 7957328), (8, 4973330), (10, 3978664), (16, 2486665), (20, 1989332), (31, 1283440), (40, 994666), (61, 652240), (62, 641720), (80, 497333), (122, 326120), (124, 320860), (155, 256688), (244, 163060), (248, 160430), (263, 151280), (305, 130448), (310, 128344), (488, 81530), (496, 80215), (526, 75640), (610, 65224), (620, 64172), (976, 40765), (1052, 37820), (1220, 32612), (1240, 32086), (1315, 30256), (1891, 21040), (2104, 18910), (2440, 16306), (2480, 16043), (2630, 15128), (3782, 10520), (4208, 9455), (4880, 8153), (5260, 7564)]