87488180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3469}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 199955280

約数和(自身を除く): 112467100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 3469, 5044, 6305, 6938, 12610, 13876, 17345, 25220, 34690, 45097, 69380, 90194, 180388, 225485, 336493, 450970, 672986, 901940, 1345972, 1682465, 3364930, 4374409, 6729860, 8748818, 17497636, 21872045, 43744090, 87488180]

約数ペア:

[(1, 87488180), (2, 43744090), (4, 21872045), (5, 17497636), (10, 8748818), (13, 6729860), (20, 4374409), (26, 3364930), (52, 1682465), (65, 1345972), (97, 901940), (130, 672986), (194, 450970), (260, 336493), (388, 225485), (485, 180388), (970, 90194), (1261, 69380), (1940, 45097), (2522, 34690), (3469, 25220), (5044, 17345), (6305, 13876), (6938, 12610)]