49542740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 113354640

約数和(自身を除く): 63811900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2141, 2314, 4282, 4628, 5785, 8564, 10705, 11570, 21410, 23140, 27833, 42820, 55666, 111332, 139165, 190549, 278330, 381098, 556660, 762196, 952745, 1905490, 2477137, 3810980, 4954274, 9908548, 12385685, 24771370, 49542740]

約数ペア:

[(1, 49542740), (2, 24771370), (4, 12385685), (5, 9908548), (10, 4954274), (13, 3810980), (20, 2477137), (26, 1905490), (52, 952745), (65, 762196), (89, 556660), (130, 381098), (178, 278330), (260, 190549), (356, 139165), (445, 111332), (890, 55666), (1157, 42820), (1780, 27833), (2141, 23140), (2314, 21410), (4282, 11570), (4628, 10705), (5785, 8564)]