13260880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7207}}^1$

素因数の和:7243

約数の個数: 40

約数和(自身を含む): 32176512

約数和(自身を除く): 18915632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 7207, 14414, 28828, 36035, 57656, 72070, 115312, 144140, 165761, 288280, 331522, 576560, 663044, 828805, 1326088, 1657610, 2652176, 3315220, 6630440, 13260880]

約数ペア:

[(1, 13260880), (2, 6630440), (4, 3315220), (5, 2652176), (8, 1657610), (10, 1326088), (16, 828805), (20, 663044), (23, 576560), (40, 331522), (46, 288280), (80, 165761), (92, 144140), (115, 115312), (184, 72070), (230, 57656), (368, 36035), (460, 28828), (920, 14414), (1840, 7207)]