64127660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4561}}^1$

素因数の和:4626

約数の個数: 48

約数和(自身を含む): 145619040

約数和(自身を除く): 81491380

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 4561, 7030, 9122, 14060, 18244, 22805, 45610, 86659, 91220, 168757, 173318, 337514, 346636, 433295, 675028, 843785, 866590, 1687570, 1733180, 3206383, 3375140, 6412766, 12825532, 16031915, 32063830, 64127660]

約数ペア:

[(1, 64127660), (2, 32063830), (4, 16031915), (5, 12825532), (10, 6412766), (19, 3375140), (20, 3206383), (37, 1733180), (38, 1687570), (74, 866590), (76, 843785), (95, 675028), (148, 433295), (185, 346636), (190, 337514), (370, 173318), (380, 168757), (703, 91220), (740, 86659), (1406, 45610), (2812, 22805), (3515, 18244), (4561, 14060), (7030, 9122)]