40017040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3800

約数の個数: 80

約数和(自身を含む): 111957120

約数和(自身を除く): 71940080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 3761, 5320, 7522, 10640, 15044, 18805, 26327, 30088, 37610, 52654, 60176, 71459, 75220, 105308, 131635, 142918, 150440, 210616, 263270, 285836, 300880, 357295, 421232, 500213, 526540, 571672, 714590, 1000426, 1053080, 1143344, 1429180, 2000852, 2106160, 2501065, 2858360, 4001704, 5002130, 5716720, 8003408, 10004260, 20008520, 40017040]

約数ペア:

[(1, 40017040), (2, 20008520), (4, 10004260), (5, 8003408), (7, 5716720), (8, 5002130), (10, 4001704), (14, 2858360), (16, 2501065), (19, 2106160), (20, 2000852), (28, 1429180), (35, 1143344), (38, 1053080), (40, 1000426), (56, 714590), (70, 571672), (76, 526540), (80, 500213), (95, 421232), (112, 357295), (133, 300880), (140, 285836), (152, 263270), (190, 210616), (266, 150440), (280, 142918), (304, 131635), (380, 105308), (532, 75220), (560, 71459), (665, 60176), (760, 52654), (1064, 37610), (1330, 30088), (1520, 26327), (2128, 18805), (2660, 15044), (3761, 10640), (5320, 7522)]