40552590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103981}}^1$

素因数の和:104004

約数の個数: 32

約数和(自身を含む): 104813856

約数和(自身を除く): 64261266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 103981, 207962, 311943, 519905, 623886, 1039810, 1351753, 1559715, 2703506, 3119430, 4055259, 6758765, 8110518, 13517530, 20276295, 40552590]

約数ペア:

[(1, 40552590), (2, 20276295), (3, 13517530), (5, 8110518), (6, 6758765), (10, 4055259), (13, 3119430), (15, 2703506), (26, 1559715), (30, 1351753), (39, 1039810), (65, 623886), (78, 519905), (130, 311943), (195, 207962), (390, 103981)]