64551500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9963

約数の個数: 48

約数和(自身を含む): 151840416

約数和(自身を除く): 87288916

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 9931, 19862, 39724, 49655, 99310, 129103, 198620, 248275, 258206, 496550, 516412, 645515, 993100, 1241375, 1291030, 2482750, 2582060, 3227575, 4965500, 6455150, 12910300, 16137875, 32275750, 64551500]

約数ペア:

[(1, 64551500), (2, 32275750), (4, 16137875), (5, 12910300), (10, 6455150), (13, 4965500), (20, 3227575), (25, 2582060), (26, 2482750), (50, 1291030), (52, 1241375), (65, 993100), (100, 645515), (125, 516412), (130, 496550), (250, 258206), (260, 248275), (325, 198620), (500, 129103), (650, 99310), (1300, 49655), (1625, 39724), (3250, 19862), (6500, 9931)]