420339520

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10343}}^1$

素因数の和:10487

約数の個数: 56

約数和(自身を含む): 1008912384

約数和(自身を除く): 588572864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 10343, 20320, 20686, 40640, 41372, 51715, 82744, 103430, 165488, 206860, 330976, 413720, 661952, 827440, 1313561, 1654880, 2627122, 3309760, 5254244, 6567805, 10508488, 13135610, 21016976, 26271220, 42033952, 52542440, 84067904, 105084880, 210169760, 420339520]

約数ペア:

[(1, 420339520), (2, 210169760), (4, 105084880), (5, 84067904), (8, 52542440), (10, 42033952), (16, 26271220), (20, 21016976), (32, 13135610), (40, 10508488), (64, 6567805), (80, 5254244), (127, 3309760), (160, 2627122), (254, 1654880), (320, 1313561), (508, 827440), (635, 661952), (1016, 413720), (1270, 330976), (2032, 206860), (2540, 165488), (4064, 103430), (5080, 82744), (8128, 51715), (10160, 41372), (10343, 40640), (20320, 20686)]