82445420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 177962400

約数和(自身を除く): 95516980

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 218, 236, 295, 436, 545, 590, 641, 1090, 1180, 1282, 2180, 2564, 3205, 6410, 6431, 12820, 12862, 25724, 32155, 37819, 64310, 69869, 75638, 128620, 139738, 151276, 189095, 279476, 349345, 378190, 698690, 756380, 1397380, 4122271, 8244542, 16489084, 20611355, 41222710, 82445420]

約数ペア:

[(1, 82445420), (2, 41222710), (4, 20611355), (5, 16489084), (10, 8244542), (20, 4122271), (59, 1397380), (109, 756380), (118, 698690), (218, 378190), (236, 349345), (295, 279476), (436, 189095), (545, 151276), (590, 139738), (641, 128620), (1090, 75638), (1180, 69869), (1282, 64310), (2180, 37819), (2564, 32155), (3205, 25724), (6410, 12862), (6431, 12820)]