65421940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 146059200

約数和(自身を除く): 80637260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 1609, 2033, 2140, 3218, 4066, 6436, 8045, 8132, 10165, 16090, 20330, 30571, 32180, 40660, 61142, 122284, 152855, 172163, 305710, 344326, 611420, 688652, 860815, 1721630, 3271097, 3443260, 6542194, 13084388, 16355485, 32710970, 65421940]

約数ペア:

[(1, 65421940), (2, 32710970), (4, 16355485), (5, 13084388), (10, 6542194), (19, 3443260), (20, 3271097), (38, 1721630), (76, 860815), (95, 688652), (107, 611420), (190, 344326), (214, 305710), (380, 172163), (428, 152855), (535, 122284), (1070, 61142), (1609, 40660), (2033, 32180), (2140, 30571), (3218, 20330), (4066, 16090), (6436, 10165), (8045, 8132)]