40780840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2333}}^1$

素因数の和:2386

約数の個数: 64

約数和(自身を含む): 100828800

約数和(自身を除く): 60047960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 2333, 3496, 4370, 4666, 8740, 9332, 11665, 17480, 18664, 23330, 44327, 46660, 53659, 88654, 93320, 107318, 177308, 214636, 221635, 268295, 354616, 429272, 443270, 536590, 886540, 1019521, 1073180, 1773080, 2039042, 2146360, 4078084, 5097605, 8156168, 10195210, 20390420, 40780840]

約数ペア:

[(1, 40780840), (2, 20390420), (4, 10195210), (5, 8156168), (8, 5097605), (10, 4078084), (19, 2146360), (20, 2039042), (23, 1773080), (38, 1073180), (40, 1019521), (46, 886540), (76, 536590), (92, 443270), (95, 429272), (115, 354616), (152, 268295), (184, 221635), (190, 214636), (230, 177308), (380, 107318), (437, 93320), (460, 88654), (760, 53659), (874, 46660), (920, 44327), (1748, 23330), (2185, 18664), (2333, 17480), (3496, 11665), (4370, 9332), (4666, 8740)]