328627280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132511}}^1$

素因数の和:132555

約数の個数: 40

約数和(自身を含む): 788711424

約数和(自身を除く): 460084144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 132511, 265022, 530044, 662555, 1060088, 1325110, 2120176, 2650220, 4107841, 5300440, 8215682, 10600880, 16431364, 20539205, 32862728, 41078410, 65725456, 82156820, 164313640, 328627280]

約数ペア:

[(1, 328627280), (2, 164313640), (4, 82156820), (5, 65725456), (8, 41078410), (10, 32862728), (16, 20539205), (20, 16431364), (31, 10600880), (40, 8215682), (62, 5300440), (80, 4107841), (124, 2650220), (155, 2120176), (248, 1325110), (310, 1060088), (496, 662555), (620, 530044), (1240, 265022), (2480, 132511)]