40658720

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1559}}^1$

素因数の和:1737

約数の個数: 48

約数和(自身を含む): 96707520

約数和(自身を除く): 56048800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1559, 1630, 2608, 3118, 3260, 5216, 6236, 6520, 7795, 12472, 13040, 15590, 24944, 26080, 31180, 49888, 62360, 124720, 249440, 254117, 508234, 1016468, 1270585, 2032936, 2541170, 4065872, 5082340, 8131744, 10164680, 20329360, 40658720]

約数ペア:

[(1, 40658720), (2, 20329360), (4, 10164680), (5, 8131744), (8, 5082340), (10, 4065872), (16, 2541170), (20, 2032936), (32, 1270585), (40, 1016468), (80, 508234), (160, 254117), (163, 249440), (326, 124720), (652, 62360), (815, 49888), (1304, 31180), (1559, 26080), (1630, 24944), (2608, 15590), (3118, 13040), (3260, 12472), (5216, 7795), (6236, 6520)]