40215040

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 80

約数和(自身を含む): 100761408

約数和(自身を除く): 60546368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 683, 736, 920, 1280, 1366, 1472, 1840, 2560, 2732, 2944, 3415, 3680, 5464, 5888, 6830, 7360, 10928, 11776, 13660, 14720, 15709, 21856, 27320, 29440, 31418, 43712, 54640, 58880, 62836, 78545, 87424, 109280, 125672, 157090, 174848, 218560, 251344, 314180, 349696, 437120, 502688, 628360, 874240, 1005376, 1256720, 1748480, 2010752, 2513440, 4021504, 5026880, 8043008, 10053760, 20107520, 40215040]

約数ペア:

[(1, 40215040), (2, 20107520), (4, 10053760), (5, 8043008), (8, 5026880), (10, 4021504), (16, 2513440), (20, 2010752), (23, 1748480), (32, 1256720), (40, 1005376), (46, 874240), (64, 628360), (80, 502688), (92, 437120), (115, 349696), (128, 314180), (160, 251344), (184, 218560), (230, 174848), (256, 157090), (320, 125672), (368, 109280), (460, 87424), (512, 78545), (640, 62836), (683, 58880), (736, 54640), (920, 43712), (1280, 31418), (1366, 29440), (1472, 27320), (1840, 21856), (2560, 15709), (2732, 14720), (2944, 13660), (3415, 11776), (3680, 10928), (5464, 7360), (5888, 6830)]