8937980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 20254080

約数和(自身を除く): 11316100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 547, 817, 860, 1094, 1634, 2188, 2735, 3268, 4085, 5470, 8170, 10393, 10940, 16340, 20786, 23521, 41572, 47042, 51965, 94084, 103930, 117605, 207860, 235210, 446899, 470420, 893798, 1787596, 2234495, 4468990, 8937980]

約数ペア:

[(1, 8937980), (2, 4468990), (4, 2234495), (5, 1787596), (10, 893798), (19, 470420), (20, 446899), (38, 235210), (43, 207860), (76, 117605), (86, 103930), (95, 94084), (172, 51965), (190, 47042), (215, 41572), (380, 23521), (430, 20786), (547, 16340), (817, 10940), (860, 10393), (1094, 8170), (1634, 5470), (2188, 4085), (2735, 3268)]