79539640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 185391360

約数和(自身を除く): 105851720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 223, 241, 296, 370, 446, 482, 740, 892, 964, 1115, 1205, 1480, 1784, 1928, 2230, 2410, 4460, 4820, 8251, 8917, 8920, 9640, 16502, 17834, 33004, 35668, 41255, 44585, 53743, 66008, 71336, 82510, 89170, 107486, 165020, 178340, 214972, 268715, 330040, 356680, 429944, 537430, 1074860, 1988491, 2149720, 3976982, 7953964, 9942455, 15907928, 19884910, 39769820, 79539640]

約数ペア:

[(1, 79539640), (2, 39769820), (4, 19884910), (5, 15907928), (8, 9942455), (10, 7953964), (20, 3976982), (37, 2149720), (40, 1988491), (74, 1074860), (148, 537430), (185, 429944), (223, 356680), (241, 330040), (296, 268715), (370, 214972), (446, 178340), (482, 165020), (740, 107486), (892, 89170), (964, 82510), (1115, 71336), (1205, 66008), (1480, 53743), (1784, 44585), (1928, 41255), (2230, 35668), (2410, 33004), (4460, 17834), (4820, 16502), (8251, 9640), (8917, 8920)]