51660440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99347}}^1$

素因数の和:99371

約数の個数: 32

約数和(自身を含む): 125178480

約数和(自身を除く): 73518040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99347, 198694, 397388, 496735, 794776, 993470, 1291511, 1986940, 2583022, 3973880, 5166044, 6457555, 10332088, 12915110, 25830220, 51660440]

約数ペア:

[(1, 51660440), (2, 25830220), (4, 12915110), (5, 10332088), (8, 6457555), (10, 5166044), (13, 3973880), (20, 2583022), (26, 1986940), (40, 1291511), (52, 993470), (65, 794776), (104, 496735), (130, 397388), (260, 198694), (520, 99347)]