40908728

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 90424800

約数和(自身を除く): 49516072

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 1106, 1321, 2212, 2642, 3871, 4424, 5284, 7742, 9247, 10568, 15484, 18494, 30968, 36988, 64729, 73976, 104359, 129458, 208718, 258916, 417436, 517832, 730513, 834872, 1461026, 2922052, 5113591, 5844104, 10227182, 20454364, 40908728]

約数ペア:

[(1, 40908728), (2, 20454364), (4, 10227182), (7, 5844104), (8, 5113591), (14, 2922052), (28, 1461026), (49, 834872), (56, 730513), (79, 517832), (98, 417436), (158, 258916), (196, 208718), (316, 129458), (392, 104359), (553, 73976), (632, 64729), (1106, 36988), (1321, 30968), (2212, 18494), (2642, 15484), (3871, 10568), (4424, 9247), (5284, 7742)]