64758880

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10939}}^1$

素因数の和:10991

約数の個数: 48

約数和(自身を含む): 157142160

約数和(自身を除く): 92383280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 10939, 21878, 43756, 54695, 87512, 109390, 175024, 218780, 350048, 404743, 437560, 809486, 875120, 1618972, 1750240, 2023715, 3237944, 4047430, 6475888, 8094860, 12951776, 16189720, 32379440, 64758880]

約数ペア:

[(1, 64758880), (2, 32379440), (4, 16189720), (5, 12951776), (8, 8094860), (10, 6475888), (16, 4047430), (20, 3237944), (32, 2023715), (37, 1750240), (40, 1618972), (74, 875120), (80, 809486), (148, 437560), (160, 404743), (185, 350048), (296, 218780), (370, 175024), (592, 109390), (740, 87512), (1184, 54695), (1480, 43756), (2960, 21878), (5920, 10939)]