72007780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276953}}^1$

素因数の和:276975

約数の個数: 24

約数和(自身を含む): 162848952

約数和(自身を除く): 90841172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276953, 553906, 1107812, 1384765, 2769530, 3600389, 5539060, 7200778, 14401556, 18001945, 36003890, 72007780]

約数ペア:

[(1, 72007780), (2, 36003890), (4, 18001945), (5, 14401556), (10, 7200778), (13, 5539060), (20, 3600389), (26, 2769530), (52, 1384765), (65, 1107812), (130, 553906), (260, 276953)]