520040300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{400031}}^1$

素因数の和:400058

約数の個数: 36

約数和(自身を含む): 1215297216

約数和(自身を除く): 695256916

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 400031, 800062, 1600124, 2000155, 4000310, 5200403, 8000620, 10000775, 10400806, 20001550, 20801612, 26002015, 40003100, 52004030, 104008060, 130010075, 260020150, 520040300]

約数ペア:

[(1, 520040300), (2, 260020150), (4, 130010075), (5, 104008060), (10, 52004030), (13, 40003100), (20, 26002015), (25, 20801612), (26, 20001550), (50, 10400806), (52, 10000775), (65, 8000620), (100, 5200403), (130, 4000310), (260, 2000155), (325, 1600124), (650, 800062), (1300, 400031)]