27847720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 64884240

約数和(自身を除く): 37036520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 101, 113, 122, 202, 226, 244, 305, 404, 452, 488, 505, 565, 610, 808, 904, 1010, 1130, 1220, 2020, 2260, 2440, 4040, 4520, 6161, 6893, 11413, 12322, 13786, 22826, 24644, 27572, 30805, 34465, 45652, 49288, 55144, 57065, 61610, 68930, 91304, 114130, 123220, 137860, 228260, 246440, 275720, 456520, 696193, 1392386, 2784772, 3480965, 5569544, 6961930, 13923860, 27847720]

約数ペア:

[(1, 27847720), (2, 13923860), (4, 6961930), (5, 5569544), (8, 3480965), (10, 2784772), (20, 1392386), (40, 696193), (61, 456520), (101, 275720), (113, 246440), (122, 228260), (202, 137860), (226, 123220), (244, 114130), (305, 91304), (404, 68930), (452, 61610), (488, 57065), (505, 55144), (565, 49288), (610, 45652), (808, 34465), (904, 30805), (1010, 27572), (1130, 24644), (1220, 22826), (2020, 13786), (2260, 12322), (2440, 11413), (4040, 6893), (4520, 6161)]