99986920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2011}}^1$

素因数の和:2146

約数の個数: 64

約数和(自身を含む): 247717440

約数和(自身を除く): 147730520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 2011, 2260, 2486, 4022, 4520, 4972, 6215, 8044, 9944, 10055, 12430, 16088, 20110, 22121, 24860, 40220, 44242, 49720, 80440, 88484, 110605, 176968, 221210, 227243, 442420, 454486, 884840, 908972, 1136215, 1817944, 2272430, 2499673, 4544860, 4999346, 9089720, 9998692, 12498365, 19997384, 24996730, 49993460, 99986920]

約数ペア:

[(1, 99986920), (2, 49993460), (4, 24996730), (5, 19997384), (8, 12498365), (10, 9998692), (11, 9089720), (20, 4999346), (22, 4544860), (40, 2499673), (44, 2272430), (55, 1817944), (88, 1136215), (110, 908972), (113, 884840), (220, 454486), (226, 442420), (440, 227243), (452, 221210), (565, 176968), (904, 110605), (1130, 88484), (1243, 80440), (2011, 49720), (2260, 44242), (2486, 40220), (4022, 24860), (4520, 22121), (4972, 20110), (6215, 16088), (8044, 12430), (9944, 10055)]