129210320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70223}}^1$

素因数の和:70259

約数の個数: 40

約数和(自身を含む): 313479936

約数和(自身を除く): 184269616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 70223, 140446, 280892, 351115, 561784, 702230, 1123568, 1404460, 1615129, 2808920, 3230258, 5617840, 6460516, 8075645, 12921032, 16151290, 25842064, 32302580, 64605160, 129210320]

約数ペア:

[(1, 129210320), (2, 64605160), (4, 32302580), (5, 25842064), (8, 16151290), (10, 12921032), (16, 8075645), (20, 6460516), (23, 5617840), (40, 3230258), (46, 2808920), (80, 1615129), (92, 1404460), (115, 1123568), (184, 702230), (230, 561784), (368, 351115), (460, 280892), (920, 140446), (1840, 70223)]