826680320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{161461}}^1$

素因数の和:161486

約数の個数: 44

約数和(自身を含む): 1983076284

約数和(自身を除く): 1156395964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 161461, 322922, 645844, 807305, 1291688, 1614610, 2583376, 3229220, 5166752, 6458440, 10333504, 12916880, 20667008, 25833760, 41334016, 51667520, 82668032, 103335040, 165336064, 206670080, 413340160, 826680320]

約数ペア:

[(1, 826680320), (2, 413340160), (4, 206670080), (5, 165336064), (8, 103335040), (10, 82668032), (16, 51667520), (20, 41334016), (32, 25833760), (40, 20667008), (64, 12916880), (80, 10333504), (128, 6458440), (160, 5166752), (256, 3229220), (320, 2583376), (512, 1614610), (640, 1291688), (1024, 807305), (1280, 645844), (2560, 322922), (5120, 161461)]