16156280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8243}}^1$

素因数の和:8268

約数の個数: 48

約数和(自身を含む): 42291720

約数和(自身を除く): 26135440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8243, 16486, 32972, 41215, 57701, 65944, 82430, 115402, 164860, 230804, 288505, 329720, 403907, 461608, 577010, 807814, 1154020, 1615628, 2019535, 2308040, 3231256, 4039070, 8078140, 16156280]

約数ペア:

[(1, 16156280), (2, 8078140), (4, 4039070), (5, 3231256), (7, 2308040), (8, 2019535), (10, 1615628), (14, 1154020), (20, 807814), (28, 577010), (35, 461608), (40, 403907), (49, 329720), (56, 288505), (70, 230804), (98, 164860), (140, 115402), (196, 82430), (245, 65944), (280, 57701), (392, 41215), (490, 32972), (980, 16486), (1960, 8243)]