28584920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7853}}^1$

素因数の和:7884

約数の個数: 64

約数和(自身を含む): 79168320

約数和(自身を除く): 50583400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7853, 15706, 31412, 39265, 54971, 62824, 78530, 102089, 109942, 157060, 204178, 219884, 274855, 314120, 408356, 439768, 510445, 549710, 714623, 816712, 1020890, 1099420, 1429246, 2041780, 2198840, 2858492, 3573115, 4083560, 5716984, 7146230, 14292460, 28584920]

約数ペア:

[(1, 28584920), (2, 14292460), (4, 7146230), (5, 5716984), (7, 4083560), (8, 3573115), (10, 2858492), (13, 2198840), (14, 2041780), (20, 1429246), (26, 1099420), (28, 1020890), (35, 816712), (40, 714623), (52, 549710), (56, 510445), (65, 439768), (70, 408356), (91, 314120), (104, 274855), (130, 219884), (140, 204178), (182, 157060), (260, 109942), (280, 102089), (364, 78530), (455, 62824), (520, 54971), (728, 39265), (910, 31412), (1820, 15706), (3640, 7853)]