64625600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 126

約数和(自身を含む): 172913040

約数和(自身を除く): 108287440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 169, 200, 208, 239, 260, 320, 325, 338, 400, 416, 478, 520, 650, 676, 800, 832, 845, 956, 1040, 1195, 1300, 1352, 1600, 1690, 1912, 2080, 2390, 2600, 2704, 3107, 3380, 3824, 4160, 4225, 4780, 5200, 5408, 5975, 6214, 6760, 7648, 8450, 9560, 10400, 10816, 11950, 12428, 13520, 15296, 15535, 16900, 19120, 20800, 23900, 24856, 27040, 31070, 33800, 38240, 40391, 47800, 49712, 54080, 62140, 67600, 76480, 77675, 80782, 95600, 99424, 124280, 135200, 155350, 161564, 191200, 198848, 201955, 248560, 270400, 310700, 323128, 382400, 403910, 497120, 621400, 646256, 807820, 994240, 1009775, 1242800, 1292512, 1615640, 2019550, 2485600, 2585024, 3231280, 4039100, 4971200, 6462560, 8078200, 12925120, 16156400, 32312800, 64625600]

約数ペア:

[(1, 64625600), (2, 32312800), (4, 16156400), (5, 12925120), (8, 8078200), (10, 6462560), (13, 4971200), (16, 4039100), (20, 3231280), (25, 2585024), (26, 2485600), (32, 2019550), (40, 1615640), (50, 1292512), (52, 1242800), (64, 1009775), (65, 994240), (80, 807820), (100, 646256), (104, 621400), (130, 497120), (160, 403910), (169, 382400), (200, 323128), (208, 310700), (239, 270400), (260, 248560), (320, 201955), (325, 198848), (338, 191200), (400, 161564), (416, 155350), (478, 135200), (520, 124280), (650, 99424), (676, 95600), (800, 80782), (832, 77675), (845, 76480), (956, 67600), (1040, 62140), (1195, 54080), (1300, 49712), (1352, 47800), (1600, 40391), (1690, 38240), (1912, 33800), (2080, 31070), (2390, 27040), (2600, 24856), (2704, 23900), (3107, 20800), (3380, 19120), (3824, 16900), (4160, 15535), (4225, 15296), (4780, 13520), (5200, 12428), (5408, 11950), (5975, 10816), (6214, 10400), (6760, 9560), (7648, 8450)]