4920385280

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{25799}}^1$

素因数の和:25969

約数の個数: 72

約数和(自身を含む): 11865420000

約数和(自身を除く): 6945034720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 596, 640, 745, 1192, 1280, 1490, 2384, 2980, 4768, 5960, 9536, 11920, 19072, 23840, 25799, 38144, 47680, 51598, 95360, 103196, 128995, 190720, 206392, 257990, 412784, 515980, 825568, 1031960, 1651136, 2063920, 3302272, 3844051, 4127840, 6604544, 7688102, 8255680, 15376204, 16511360, 19220255, 30752408, 33022720, 38440510, 61504816, 76881020, 123009632, 153762040, 246019264, 307524080, 492038528, 615048160, 984077056, 1230096320, 2460192640, 4920385280]

約数ペア:

[(1, 4920385280), (2, 2460192640), (4, 1230096320), (5, 984077056), (8, 615048160), (10, 492038528), (16, 307524080), (20, 246019264), (32, 153762040), (40, 123009632), (64, 76881020), (80, 61504816), (128, 38440510), (149, 33022720), (160, 30752408), (256, 19220255), (298, 16511360), (320, 15376204), (596, 8255680), (640, 7688102), (745, 6604544), (1192, 4127840), (1280, 3844051), (1490, 3302272), (2384, 2063920), (2980, 1651136), (4768, 1031960), (5960, 825568), (9536, 515980), (11920, 412784), (19072, 257990), (23840, 206392), (25799, 190720), (38144, 128995), (47680, 103196), (51598, 95360)]