84171620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{619}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 191029440

約数和(自身を除く): 106857820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 523, 619, 1046, 1238, 2092, 2476, 2615, 3095, 5230, 6190, 6799, 8047, 10460, 12380, 13598, 16094, 27196, 32188, 33995, 40235, 67990, 80470, 135980, 160940, 323737, 647474, 1294948, 1618685, 3237370, 4208581, 6474740, 8417162, 16834324, 21042905, 42085810, 84171620]

約数ペア:

[(1, 84171620), (2, 42085810), (4, 21042905), (5, 16834324), (10, 8417162), (13, 6474740), (20, 4208581), (26, 3237370), (52, 1618685), (65, 1294948), (130, 647474), (260, 323737), (523, 160940), (619, 135980), (1046, 80470), (1238, 67990), (2092, 40235), (2476, 33995), (2615, 32188), (3095, 27196), (5230, 16094), (6190, 13598), (6799, 12380), (8047, 10460)]