74692720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21713}}^1$

素因数の和:21769

約数の個数: 40

約数和(自身を含む): 177707376

約数和(自身を除く): 103014656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21713, 43426, 86852, 108565, 173704, 217130, 347408, 434260, 868520, 933659, 1737040, 1867318, 3734636, 4668295, 7469272, 9336590, 14938544, 18673180, 37346360, 74692720]

約数ペア:

[(1, 74692720), (2, 37346360), (4, 18673180), (5, 14938544), (8, 9336590), (10, 7469272), (16, 4668295), (20, 3734636), (40, 1867318), (43, 1737040), (80, 933659), (86, 868520), (172, 434260), (215, 347408), (344, 217130), (430, 173704), (688, 108565), (860, 86852), (1720, 43426), (3440, 21713)]