2135380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 4967424

約数和(自身を除く): 2832044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 191, 215, 260, 382, 430, 559, 764, 860, 955, 1118, 1910, 2236, 2483, 2795, 3820, 4966, 5590, 8213, 9932, 11180, 12415, 16426, 24830, 32852, 41065, 49660, 82130, 106769, 164260, 213538, 427076, 533845, 1067690, 2135380]

約数ペア:

[(1, 2135380), (2, 1067690), (4, 533845), (5, 427076), (10, 213538), (13, 164260), (20, 106769), (26, 82130), (43, 49660), (52, 41065), (65, 32852), (86, 24830), (130, 16426), (172, 12415), (191, 11180), (215, 9932), (260, 8213), (382, 5590), (430, 4966), (559, 3820), (764, 2795), (860, 2483), (955, 2236), (1118, 1910)]