15858440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30497}}^1$

素因数の和:30521

約数の個数: 32

約数和(自身を含む): 38427480

約数和(自身を除く): 22569040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30497, 60994, 121988, 152485, 243976, 304970, 396461, 609940, 792922, 1219880, 1585844, 1982305, 3171688, 3964610, 7929220, 15858440]

約数ペア:

[(1, 15858440), (2, 7929220), (4, 3964610), (5, 3171688), (8, 1982305), (10, 1585844), (13, 1219880), (20, 792922), (26, 609940), (40, 396461), (52, 304970), (65, 243976), (104, 152485), (130, 121988), (260, 60994), (520, 30497)]