71632340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21193}}^1$

素因数の和:21228

約数の個数: 36

約数和(自身を含む): 162897084

約数和(自身を除く): 91264744

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21193, 42386, 84772, 105965, 211930, 275509, 423860, 551018, 1102036, 1377545, 2755090, 3581617, 5510180, 7163234, 14326468, 17908085, 35816170, 71632340]

約数ペア:

[(1, 71632340), (2, 35816170), (4, 17908085), (5, 14326468), (10, 7163234), (13, 5510180), (20, 3581617), (26, 2755090), (52, 1377545), (65, 1102036), (130, 551018), (169, 423860), (260, 275509), (338, 211930), (676, 105965), (845, 84772), (1690, 42386), (3380, 21193)]