10989940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 25458048

約数和(自身を除く): 14468108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 983, 1118, 1966, 2236, 2795, 3932, 4915, 5590, 9830, 11180, 12779, 19660, 25558, 42269, 51116, 63895, 84538, 127790, 169076, 211345, 255580, 422690, 549497, 845380, 1098994, 2197988, 2747485, 5494970, 10989940]

約数ペア:

[(1, 10989940), (2, 5494970), (4, 2747485), (5, 2197988), (10, 1098994), (13, 845380), (20, 549497), (26, 422690), (43, 255580), (52, 211345), (65, 169076), (86, 127790), (130, 84538), (172, 63895), (215, 51116), (260, 42269), (430, 25558), (559, 19660), (860, 12779), (983, 11180), (1118, 9830), (1966, 5590), (2236, 4915), (2795, 3932)]