55421860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 132814080

約数和(自身を除く): 77392220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 863, 988, 1235, 1690, 1726, 2470, 3211, 3380, 3452, 4315, 4940, 6422, 8630, 11219, 12844, 16055, 16397, 17260, 22438, 32110, 32794, 44876, 56095, 64220, 65588, 81985, 112190, 145847, 163970, 213161, 224380, 291694, 327940, 426322, 583388, 729235, 852644, 1065805, 1458470, 2131610, 2771093, 2916940, 4263220, 5542186, 11084372, 13855465, 27710930, 55421860]

約数ペア:

[(1, 55421860), (2, 27710930), (4, 13855465), (5, 11084372), (10, 5542186), (13, 4263220), (19, 2916940), (20, 2771093), (26, 2131610), (38, 1458470), (52, 1065805), (65, 852644), (76, 729235), (95, 583388), (130, 426322), (169, 327940), (190, 291694), (247, 224380), (260, 213161), (338, 163970), (380, 145847), (494, 112190), (676, 81985), (845, 65588), (863, 64220), (988, 56095), (1235, 44876), (1690, 32794), (1726, 32110), (2470, 22438), (3211, 17260), (3380, 16397), (3452, 16055), (4315, 12844), (4940, 11219), (6422, 8630)]