155397320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{298841}}^1$

素因数の和:298865

約数の個数: 32

約数和(自身を含む): 376540920

約数和(自身を除く): 221143600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 298841, 597682, 1195364, 1494205, 2390728, 2988410, 3884933, 5976820, 7769866, 11953640, 15539732, 19424665, 31079464, 38849330, 77698660, 155397320]

約数ペア:

[(1, 155397320), (2, 77698660), (4, 38849330), (5, 31079464), (8, 19424665), (10, 15539732), (13, 11953640), (20, 7769866), (26, 5976820), (40, 3884933), (52, 2988410), (65, 2390728), (104, 1494205), (130, 1195364), (260, 597682), (520, 298841)]