64109450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{18059}}^1$

素因数の和:18142

約数の個数: 24

約数和(自身を含む): 120929760

約数和(自身を除く): 56820310

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 18059, 36118, 90295, 180590, 451475, 902950, 1282189, 2564378, 6410945, 12821890, 32054725, 64109450]

約数ペア:

[(1, 64109450), (2, 32054725), (5, 12821890), (10, 6410945), (25, 2564378), (50, 1282189), (71, 902950), (142, 451475), (355, 180590), (710, 90295), (1775, 36118), (3550, 18059)]