220169872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{55711}}^1$

素因数の和:55751

約数の個数: 40

約数和(自身を含む): 483580160

約数和(自身を除く): 263410288

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 55711, 111422, 222844, 445688, 724243, 891376, 1058509, 1448486, 2117018, 2896972, 4234036, 5793944, 8468072, 11587888, 13760617, 16936144, 27521234, 55042468, 110084936, 220169872]

約数ペア:

[(1, 220169872), (2, 110084936), (4, 55042468), (8, 27521234), (13, 16936144), (16, 13760617), (19, 11587888), (26, 8468072), (38, 5793944), (52, 4234036), (76, 2896972), (104, 2117018), (152, 1448486), (208, 1058509), (247, 891376), (304, 724243), (494, 445688), (988, 222844), (1976, 111422), (3952, 55711)]