66148040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33749}}^1$

素因数の和:33774

約数の個数: 48

約数和(自身を含む): 173137500

約数和(自身を除く): 106989460

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, 33749, 67498, 134996, 168745, 236243, 269992, 337490, 472486, 674980, 944972, 1181215, 1349960, 1653701, 1889944, 2362430, 3307402, 4724860, 6614804, 8268505, 9449720, 13229608, 16537010, 33074020, 66148040]

約数ペア:

[(1, 66148040), (2, 33074020), (4, 16537010), (5, 13229608), (7, 9449720), (8, 8268505), (10, 6614804), (14, 4724860), (20, 3307402), (28, 2362430), (35, 1889944), (40, 1653701), (49, 1349960), (56, 1181215), (70, 944972), (98, 674980), (140, 472486), (196, 337490), (245, 269992), (280, 236243), (392, 168745), (490, 134996), (980, 67498), (1960, 33749)]