80955290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6997}}^1$

素因数の和:7106

約数の個数: 32

約数和(自身を含む): 158714640

約数和(自身を除く): 77759350

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 6997, 11570, 13994, 34985, 69970, 90961, 181922, 454805, 622733, 909610, 1245466, 3113665, 6227330, 8095529, 16191058, 40477645, 80955290]

約数ペア:

[(1, 80955290), (2, 40477645), (5, 16191058), (10, 8095529), (13, 6227330), (26, 3113665), (65, 1245466), (89, 909610), (130, 622733), (178, 454805), (445, 181922), (890, 90961), (1157, 69970), (2314, 34985), (5785, 13994), (6997, 11570)]