102689680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67559}}^1$

素因数の和:67591

約数の個数: 40

約数和(自身を含む): 251323200

約数和(自身を除く): 148633520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 67559, 135118, 270236, 337795, 540472, 675590, 1080944, 1283621, 1351180, 2567242, 2702360, 5134484, 5404720, 6418105, 10268968, 12836210, 20537936, 25672420, 51344840, 102689680]

約数ペア:

[(1, 102689680), (2, 51344840), (4, 25672420), (5, 20537936), (8, 12836210), (10, 10268968), (16, 6418105), (19, 5404720), (20, 5134484), (38, 2702360), (40, 2567242), (76, 1351180), (80, 1283621), (95, 1080944), (152, 675590), (190, 540472), (304, 337795), (380, 270236), (760, 135118), (1520, 67559)]