18469227520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{499}}^1\times {\mathrm{7229}}^1$

素因数の和:7753

約数の個数: 88

約数和(自身を含む): 44399430000

約数和(自身を除く): 25930202480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 499, 512, 640, 998, 1024, 1280, 1996, 2495, 2560, 3992, 4990, 5120, 7229, 7984, 9980, 14458, 15968, 19960, 28916, 31936, 36145, 39920, 57832, 63872, 72290, 79840, 115664, 127744, 144580, 159680, 231328, 255488, 289160, 319360, 462656, 510976, 578320, 638720, 925312, 1156640, 1277440, 1850624, 2313280, 2554880, 3607271, 3701248, 4626560, 7214542, 7402496, 9253120, 14429084, 18036355, 18506240, 28858168, 36072710, 37012480, 57716336, 72145420, 115432672, 144290840, 230865344, 288581680, 461730688, 577163360, 923461376, 1154326720, 1846922752, 2308653440, 3693845504, 4617306880, 9234613760, 18469227520]

約数ペア:

[(1, 18469227520), (2, 9234613760), (4, 4617306880), (5, 3693845504), (8, 2308653440), (10, 1846922752), (16, 1154326720), (20, 923461376), (32, 577163360), (40, 461730688), (64, 288581680), (80, 230865344), (128, 144290840), (160, 115432672), (256, 72145420), (320, 57716336), (499, 37012480), (512, 36072710), (640, 28858168), (998, 18506240), (1024, 18036355), (1280, 14429084), (1996, 9253120), (2495, 7402496), (2560, 7214542), (3992, 4626560), (4990, 3701248), (5120, 3607271), (7229, 2554880), (7984, 2313280), (9980, 1850624), (14458, 1277440), (15968, 1156640), (19960, 925312), (28916, 638720), (31936, 578320), (36145, 510976), (39920, 462656), (57832, 319360), (63872, 289160), (72290, 255488), (79840, 231328), (115664, 159680), (127744, 144580)]