7939880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15269}}^1$

素因数の和:15293

約数の個数: 32

約数和(自身を含む): 19240200

約数和(自身を除く): 11300320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15269, 30538, 61076, 76345, 122152, 152690, 198497, 305380, 396994, 610760, 793988, 992485, 1587976, 1984970, 3969940, 7939880]

約数ペア:

[(1, 7939880), (2, 3969940), (4, 1984970), (5, 1587976), (8, 992485), (10, 793988), (13, 610760), (20, 396994), (26, 305380), (40, 198497), (52, 152690), (65, 122152), (104, 76345), (130, 61076), (260, 30538), (520, 15269)]