40918840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 97459200

約数和(自身を除く): 56540360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 563, 632, 790, 920, 1126, 1580, 1817, 2252, 2815, 3160, 3634, 4504, 5630, 7268, 9085, 11260, 12949, 14536, 18170, 22520, 25898, 36340, 44477, 51796, 64745, 72680, 88954, 103592, 129490, 177908, 222385, 258980, 355816, 444770, 517960, 889540, 1022971, 1779080, 2045942, 4091884, 5114855, 8183768, 10229710, 20459420, 40918840]

約数ペア:

[(1, 40918840), (2, 20459420), (4, 10229710), (5, 8183768), (8, 5114855), (10, 4091884), (20, 2045942), (23, 1779080), (40, 1022971), (46, 889540), (79, 517960), (92, 444770), (115, 355816), (158, 258980), (184, 222385), (230, 177908), (316, 129490), (395, 103592), (460, 88954), (563, 72680), (632, 64745), (790, 51796), (920, 44477), (1126, 36340), (1580, 25898), (1817, 22520), (2252, 18170), (2815, 14536), (3160, 12949), (3634, 11260), (4504, 9085), (5630, 7268)]