51874940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10501}}^1$

素因数の和:10542

約数の個数: 48

約数和(自身を含む): 123503520

約数和(自身を除く): 71628580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10501, 21002, 42004, 52505, 105010, 136513, 199519, 210020, 273026, 399038, 546052, 682565, 798076, 997595, 1365130, 1995190, 2593747, 2730260, 3990380, 5187494, 10374988, 12968735, 25937470, 51874940]

約数ペア:

[(1, 51874940), (2, 25937470), (4, 12968735), (5, 10374988), (10, 5187494), (13, 3990380), (19, 2730260), (20, 2593747), (26, 1995190), (38, 1365130), (52, 997595), (65, 798076), (76, 682565), (95, 546052), (130, 399038), (190, 273026), (247, 210020), (260, 199519), (380, 136513), (494, 105010), (988, 52505), (1235, 42004), (2470, 21002), (4940, 10501)]