76767280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15731}}^1$

素因数の和:15805

約数の個数: 40

約数和(自身を含む): 181421424

約数和(自身を除く): 104654144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 629240, 959591, 1258480, 1919182, 3838364, 4797955, 7676728, 9595910, 15353456, 19191820, 38383640, 76767280]

約数ペア:

[(1, 76767280), (2, 38383640), (4, 19191820), (5, 15353456), (8, 9595910), (10, 7676728), (16, 4797955), (20, 3838364), (40, 1919182), (61, 1258480), (80, 959591), (122, 629240), (244, 314620), (305, 251696), (488, 157310), (610, 125848), (976, 78655), (1220, 62924), (2440, 31462), (4880, 15731)]