80940008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{839}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 157248000

約数和(自身を除く): 76307992

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 389, 778, 839, 1556, 1678, 3112, 3356, 6712, 12059, 24118, 26009, 48236, 52018, 96472, 104036, 208072, 326371, 652742, 1305484, 2610968, 10117501, 20235002, 40470004, 80940008]

約数ペア:

[(1, 80940008), (2, 40470004), (4, 20235002), (8, 10117501), (31, 2610968), (62, 1305484), (124, 652742), (248, 326371), (389, 208072), (778, 104036), (839, 96472), (1556, 52018), (1678, 48236), (3112, 26009), (3356, 24118), (6712, 12059)]