2788406920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{42223}}^1$

素因数の和:42374

約数の個数: 64

約数和(自身を含む): 6809886720

約数和(自身を除く): 4021479800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3302, 5080, 6604, 8255, 13208, 16510, 33020, 42223, 66040, 84446, 168892, 211115, 337784, 422230, 548899, 844460, 1097798, 1688920, 2195596, 2744495, 4391192, 5362321, 5488990, 10724642, 10977980, 21449284, 21955960, 26811605, 42898568, 53623210, 69710173, 107246420, 139420346, 214492840, 278840692, 348550865, 557681384, 697101730, 1394203460, 2788406920]

約数ペア:

[(1, 2788406920), (2, 1394203460), (4, 697101730), (5, 557681384), (8, 348550865), (10, 278840692), (13, 214492840), (20, 139420346), (26, 107246420), (40, 69710173), (52, 53623210), (65, 42898568), (104, 26811605), (127, 21955960), (130, 21449284), (254, 10977980), (260, 10724642), (508, 5488990), (520, 5362321), (635, 4391192), (1016, 2744495), (1270, 2195596), (1651, 1688920), (2540, 1097798), (3302, 844460), (5080, 548899), (6604, 422230), (8255, 337784), (13208, 211115), (16510, 168892), (33020, 84446), (42223, 66040)]