29778580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 68647824

約数和(自身を除く): 38869244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2161, 2756, 3445, 4322, 6890, 8644, 10805, 13780, 21610, 28093, 43220, 56186, 112372, 114533, 140465, 229066, 280930, 458132, 561860, 572665, 1145330, 1488929, 2290660, 2977858, 5955716, 7444645, 14889290, 29778580]

約数ペア:

[(1, 29778580), (2, 14889290), (4, 7444645), (5, 5955716), (10, 2977858), (13, 2290660), (20, 1488929), (26, 1145330), (52, 572665), (53, 561860), (65, 458132), (106, 280930), (130, 229066), (212, 140465), (260, 114533), (265, 112372), (530, 56186), (689, 43220), (1060, 28093), (1378, 21610), (2161, 13780), (2756, 10805), (3445, 8644), (4322, 6890)]