28046720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3403

約数の個数: 64

約数和(自身を含む): 72228240

約数和(自身を除く): 44181520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3371, 4160, 6742, 8320, 13484, 16855, 26968, 33710, 43823, 53936, 67420, 87646, 107872, 134840, 175292, 215744, 219115, 269680, 350584, 431488, 438230, 539360, 701168, 876460, 1078720, 1402336, 1752920, 2157440, 2804672, 3505840, 5609344, 7011680, 14023360, 28046720]

約数ペア:

[(1, 28046720), (2, 14023360), (4, 7011680), (5, 5609344), (8, 3505840), (10, 2804672), (13, 2157440), (16, 1752920), (20, 1402336), (26, 1078720), (32, 876460), (40, 701168), (52, 539360), (64, 438230), (65, 431488), (80, 350584), (104, 269680), (128, 219115), (130, 215744), (160, 175292), (208, 134840), (260, 107872), (320, 87646), (416, 67420), (520, 53936), (640, 43823), (832, 33710), (1040, 26968), (1664, 16855), (2080, 13484), (3371, 8320), (4160, 6742)]