2080781404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{491}}^1\times {\mathrm{6269}}^1$

素因数の和:6790

約数の個数: 36

約数和(自身を含む): 3951680040

約数和(自身を除く): 1870898636

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 491, 676, 982, 1964, 6269, 6383, 12538, 12766, 25076, 25532, 81497, 82979, 162994, 165958, 325988, 331916, 1059461, 2118922, 3078079, 4237844, 6156158, 12312316, 40015027, 80030054, 160060108, 520195351, 1040390702, 2080781404]

約数ペア:

[(1, 2080781404), (2, 1040390702), (4, 520195351), (13, 160060108), (26, 80030054), (52, 40015027), (169, 12312316), (338, 6156158), (491, 4237844), (676, 3078079), (982, 2118922), (1964, 1059461), (6269, 331916), (6383, 325988), (12538, 165958), (12766, 162994), (25076, 82979), (25532, 81497)]