27858220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 63645120

約数和(自身を除く): 35786900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 983, 1090, 1417, 1966, 2180, 2834, 3932, 4915, 5668, 7085, 9830, 12779, 14170, 19660, 25558, 28340, 51116, 63895, 107147, 127790, 214294, 255580, 428588, 535735, 1071470, 1392911, 2142940, 2785822, 5571644, 6964555, 13929110, 27858220]

約数ペア:

[(1, 27858220), (2, 13929110), (4, 6964555), (5, 5571644), (10, 2785822), (13, 2142940), (20, 1392911), (26, 1071470), (52, 535735), (65, 428588), (109, 255580), (130, 214294), (218, 127790), (260, 107147), (436, 63895), (545, 51116), (983, 28340), (1090, 25558), (1417, 19660), (1966, 14170), (2180, 12779), (2834, 9830), (3932, 7085), (4915, 5668)]