40781416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1237}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 82673640

約数和(自身を除く): 41892224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 317, 634, 1237, 1268, 2474, 2536, 4121, 4948, 8242, 9896, 16081, 16484, 32162, 32968, 64324, 128648, 392129, 784258, 1568516, 3137032, 5097677, 10195354, 20390708, 40781416]

約数ペア:

[(1, 40781416), (2, 20390708), (4, 10195354), (8, 5097677), (13, 3137032), (26, 1568516), (52, 784258), (104, 392129), (317, 128648), (634, 64324), (1237, 32968), (1268, 32162), (2474, 16484), (2536, 16081), (4121, 9896), (4948, 8242)]