8393840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1186

約数の個数: 80

約数和(自身を含む): 24040128

約数和(自身を除く): 15646288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1153, 1456, 1820, 2306, 3640, 4612, 5765, 7280, 8071, 9224, 11530, 14989, 16142, 18448, 23060, 29978, 32284, 40355, 46120, 59956, 64568, 74945, 80710, 92240, 104923, 119912, 129136, 149890, 161420, 209846, 239824, 299780, 322840, 419692, 524615, 599560, 645680, 839384, 1049230, 1199120, 1678768, 2098460, 4196920, 8393840]

約数ペア:

[(1, 8393840), (2, 4196920), (4, 2098460), (5, 1678768), (7, 1199120), (8, 1049230), (10, 839384), (13, 645680), (14, 599560), (16, 524615), (20, 419692), (26, 322840), (28, 299780), (35, 239824), (40, 209846), (52, 161420), (56, 149890), (65, 129136), (70, 119912), (80, 104923), (91, 92240), (104, 80710), (112, 74945), (130, 64568), (140, 59956), (182, 46120), (208, 40355), (260, 32284), (280, 29978), (364, 23060), (455, 18448), (520, 16142), (560, 14989), (728, 11530), (910, 9224), (1040, 8071), (1153, 7280), (1456, 5765), (1820, 4612), (2306, 3640)]