51124970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 53384470

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 71, 130, 142, 145, 191, 290, 355, 377, 382, 710, 754, 923, 955, 1846, 1885, 1910, 2059, 2483, 3770, 4118, 4615, 4966, 5539, 9230, 10295, 11078, 12415, 13561, 20590, 24830, 26767, 27122, 27695, 53534, 55390, 67805, 72007, 133835, 135610, 144014, 176293, 267670, 352586, 360035, 393269, 720070, 786538, 881465, 1762930, 1966345, 3932690, 5112497, 10224994, 25562485, 51124970]

約数ペア:

[(1, 51124970), (2, 25562485), (5, 10224994), (10, 5112497), (13, 3932690), (26, 1966345), (29, 1762930), (58, 881465), (65, 786538), (71, 720070), (130, 393269), (142, 360035), (145, 352586), (191, 267670), (290, 176293), (355, 144014), (377, 135610), (382, 133835), (710, 72007), (754, 67805), (923, 55390), (955, 53534), (1846, 27695), (1885, 27122), (1910, 26767), (2059, 24830), (2483, 20590), (3770, 13561), (4118, 12415), (4615, 11078), (4966, 10295), (5539, 9230)]